chore(deps): bump Swatinem/rust-cache in /.github/actions/rust

Bumps [Swatinem/rust-cache](https://github.com/swatinem/rust-cache) from 2.7.8 to 2.8.2.
- [Release notes](https://github.com/swatinem/rust-cache/releases)
- [Changelog](https://github.com/Swatinem/rust-cache/blob/master/CHANGELOG.md)
- [Commits](Swatinem/rust-cache@9d47c6a...779680d)

---
updated-dependencies:
- dependency-name: Swatinem/rust-cache
  dependency-version: 2.8.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/actions/rust/action.yml

@@ -74,7 +74,7 @@ runs:
     # stable/MSRV; nightly changes too frequently.
     - name: Enable Rust cache
       if: ${{ runner.environment == 'github-hosted' }}
-      uses: Swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6 # v2.7.8
+      uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
       with:
         cache-bin: false  # Using binstall for tools
         cache-all-crates: false