feat(connection-limit): add function to mutate `ConnectionLimits` #14796

Job	Run time
Compile with select features (mdns tcp dns tokio)	23s
Run all WASM tests	32s
Compile with select features (mdns tcp dns async-std)	13s
Check rustdoc intra-doc links	33s
Compile on wasm32-unknown-unknown	23s
Compile with MSRV	17s
Compile on wasm32-unknown-emscripten	23s
clippy (nightly-2023-09-10)	19s
examples	30s
Compile on wasm32-wasi	19s
IPFS Integration tests	30s
Compile on x86_64-apple-darwin	9s
rustfmt	7s
Compile on x86_64-pc-windows-msvc	17s
semver	19s
Check for changes in proto files	19s
Ensure that `Cargo.lock` is up-to-date	25s
gather_published_crates	7s
manifest_lint	4s
cargo-deny	13s
Test ${{ matrix.crate }}	1s
	6m 23s

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