new lint: `unconditionally_sealed_trait_became_unsealed` #3450

Job	Run time
Build binary	28s
Ensure test crates pass "cargo check"	54s
Build binary (Windows)	2m 53s
Check lint and rustfmt	17s
Semver: core-graphics	41s
Run tests (1.83, false)	4m 35s
Check if version changed	7s
Run tests (1.84, false)	4m 36s
Run tests (stable, false)	4m 38s
Run tests (beta, false)	4m 36s
Run tests (nightly, true)	6m 37s
Caching across rustdoc versions	1m 39s
Caching with feature config changed	25s
Semver: libp2p-gossipsub ~0.44.0 + libp2p-request-response ~0.24.0	1m 12s
Semver: bevy_core v0.9.0	30s
Semver: libp2p-uds 0.37.0	1m 38s
Semver: libp2p-core 0.37.0	54s
Semver: bevy_gltf v0.9.1	47s
Semver: clap v3.2.0	46s
Check failure when installed rustc is too old	20s
Semver: libp2p-dcutr 1.62.0 and libp2p-relay 0.14.0	1m 10s
Semver: dependency has warnings with "-Dwarnings" (libp2p v0.53.1)	1m 2s
Semver: perf-event-open-sys2 v5.0.0	41s
Semver: ref-slice fork (git)	1m 14s
Semver: sqllogictest v0.13.0	28s
Semver: ref-slice fork (sparse)	13s
Semver: tokio ~v1.25.0 (explicit)	3s
Semver: tokio ~v1.25.0 (implicit)	5s
Semver: ref-slice fork (Windows) (git)	1m 58s
Semver: ref-slice fork (Windows) (sparse)	1m 21s
All CI stages	1s
Check for semver compliance	0s
Run the release workflow	0s
	46m 49s

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