Squashed commit of the following:

commit b2ad17b
Merge: a6a3521 276b190
Author: Alexandru Vasile <60601340+lexnv@users.noreply.github.com>
Date:   Fri May 23 12:35:26 2025 +0300

    Merge branch 'master' into lexnv/crypto-noise-err

commit a6a3521
Author: Alexandru Vasile <alexandru.vasile@parity.io>
Date:   Fri May 23 08:55:11 2025 +0000

    tests: Fix build warnings

    Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

commit e0f9040
Author: Alexandru Vasile <alexandru.vasile@parity.io>
Date:   Fri May 23 08:50:21 2025 +0000

    crypto/noise: Add transport type websocket to tests

    Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

commit a1978f6
Author: Alexandru Vasile <alexandru.vasile@parity.io>
Date:   Thu May 22 16:06:08 2025 +0000

    crypto/noise: Enhance all logs with connection type and peerID

    Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

commit 74ee607
Author: Alexandru Vasile <alexandru.vasile@parity.io>
Date:   Thu May 22 15:54:05 2025 +0000

    crypto/noise: Add packet info to warnings

    Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

commit 43cb2db
Author: Alexandru Vasile <alexandru.vasile@parity.io>
Date:   Wed May 14 13:23:44 2025 +0000

    crypto/noise: Add peerID to both failures

    Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

commit 3bd9085
Author: Alexandru Vasile <alexandru.vasile@parity.io>
Date:   Wed May 14 13:13:54 2025 +0000

    crypto/noise: Add extra debug messages

    Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

commit ca2919a
Author: Alexandru Vasile <alexandru.vasile@parity.io>
Date:   Wed May 14 13:12:17 2025 +0000

    crypto/noise: Show peerIDs that fail to decode

    Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

## [0.9.5] - 2025-05-26

This release primarily focuses on strengthening the stability of the
websocket transport. We've resolved an issue where higher-level
buffering was causing the Noise protocol to fail when decoding messages.

We've also significantly improved connectivity between litep2p and
Smoldot (the Substrate-based light client). Empty frames are now handled
correctly, preventing handshake timeouts and ensuring smoother
communication.

Finally, we've carried out several dependency updates to keep the
library current with the latest versions of its underlying components.

### Fixed

- substream/fix: Allow empty payloads with 0-length frame
([#395](#395))
- websocket: Fix connection stability on decrypt messages
([#393](#393))

### Changed

- crypto/noise: Show peerIDs that fail to decode
([#392](#392))
- cargo: Bump yamux to 0.13.5 and tokio to 1.45.0
([#396](#396))
- ci: Enforce and apply clippy rules
([#388](#388))
- build(deps): bump ring from 0.16.20 to 0.17.14
([#389](#389))
- Update hickory-resolver 0.24.2 -> 0.25.2
([#386](#386))

cc @paritytech/networking

---------

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

# Litep2p Becomes the Default Network Backend

This PR finalizes the [litep2p](https://github.com/paritytech/litep2p)
integration and makes it the default network backend for substrate-based
chains.

## Litep2p Improvements

After the stabilization, a forum post will follow with up to date
information and more accurate measurements of the live impact of
litep2p.

### CPU Usage Reduction

**Litep2p consumes roughly 2x less CPU than the libp2p alternative**.
This frees up resources for other usecases (subsystems) and enables
running nodes on more cost-efficient hardware.

This metric has been collected by the `networking::libp2p-node` metric
of a live Kusama validator. This represents the CPU time spent on
polling the networking task. Litep2p CPU consumption is on the left,
using roughtly 1.3x CPUs, while libp2p on the right uses roughly 2.9-3x
CPUs:

![Screenshot 2025-05-26 at 15 23
22](https://github.com/user-attachments/assets/17bf1ed8-b887-423e-b131-f0bbf146919e)


This metric has been collected by the NodeExporter of a live Kusama
validator. Litep2p CPU consumption is on the left, using roughtly 230
CPU units, while libp2p on the right uses roughly 350 CPU units. This
makes litep2p ~1.52 times more effiecient:

![Screenshot 2025-05-26 at 15 24
33](https://github.com/user-attachments/assets/8923cb56-241d-4e1d-9593-33c5def2ff4d)



### DHT Improvements and Authority Discovery

Litep2p is able to discover peers faster via the Kademlia protocol than
libp2p. This behavior manifests in faster discovery times for
validators. For context, libp2p discovers 1K DHT records (authority
records) in approximately 10 minutes, while litep2p discovers them in
just 2.5 minutes (for more info see
#7077 (comment)).

This will improve issues we've seen with libp2p that causes validators
to not receive rewards:
- #8548

### Stable Sync Peers

Litep2p presents a more stable peer count in comparison with the libp2p
backend. This ensures we can sync up faster than libp2p to the tip of
the chain. In an older experiment, litep2p syncs to the tip of the chain
in 526s, compared to 803s for libp2p. The stability of connections shows
improvements for other protocols as well:

![Screenshot 2025-05-26 at 15 01
59](https://github.com/user-attachments/assets/ac3607ba-a551-49e5-9a50-f5150a6b619f)

The previous image shows on the left the litep2p version and on the
right the libp2p version.


### Revert Kusama Enablement
This PR reverts #7866.
Litep2p is now enabled by default, we don't need to selectively enable
it on different chains.

### Litep2p 0.9.5

This release primarily focuses on strengthening the stability of the
websocket transport. We've resolved an issue where higher-level
buffering was causing the Noise protocol to fail when decoding messages.

We've also significantly improved connectivity between litep2p and
Smoldot (the Substrate-based light client). Empty frames are now handled
correctly, preventing handshake timeouts and ensuring smoother
communication.

Finally, we've carried out several dependency updates to keep the
library current with the latest versions of its underlying components.

Fixed:
- substream/fix: Allow empty payloads with 0-length frame
([#395](paritytech/litep2p#395))
- websocket: Fix connection stability on decrypt messages
([#393](paritytech/litep2p#393))

Changed:
- crypto/noise: Show peerIDs that fail to decode
([#392](paritytech/litep2p#392))
- cargo: Bump yamux to 0.13.5 and tokio to 1.45.0
([#396](paritytech/litep2p#396))
- ci: Enforce and apply clippy rules
([#388](paritytech/litep2p#388))
- build(deps): bump ring from 0.16.20 to 0.17.14
([#389](paritytech/litep2p#389))
- Update hickory-resolver 0.24.2 -> 0.25.2
([#386](paritytech/litep2p#386))


### Fix peerset reserve only mode

This has been move in PR:
#8650 for ease of
reviewing.
The PR rejects non-reserved peers in the reserved-only mode of the
litep2p notification peerset.

---------

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>