chore(deps): update rust docker tag to v1.86.0

Author: renovate[bot]

dockerfiles/diy/dockerfiles/Dockerfile.repo

@@ -1,6 +1,6 @@
 # Use the rust build image from docker as our base
 # renovate-automation: rustc version
-FROM rust:1.85.1 as build
+FROM rust:1.86.0 as build
 
 # Set our working directory for the build
 WORKDIR /usr/src/router

docs/source/routing/customization/custom-binary.mdx

@@ -16,7 +16,7 @@ Learn how to compile a custom binary from Apollo Router Core source, which is re
 ## Prerequisites
 
 <!-- renovate-automation: rustc version -->
-To compile the router, you need to have [Rust 1.85.1 or later](https://www.rust-lang.org/tools/install) installed.
+To compile the router, you need to have [Rust 1.86.0 or later](https://www.rust-lang.org/tools/install) installed.
 
 ## 1. Create a new project
 

rust-toolchain.toml

@@ -1,4 +1,4 @@
 [toolchain]
 # renovate-automation: rustc version
-channel = "1.85.1"
+channel = "1.86.0"
 components = ["rustfmt", "clippy"]