Bump Swatinem/rust-cache from 2.2.0 to 2.7.1

Bumps [Swatinem/rust-cache](https://github.com/swatinem/rust-cache) from 2.2.0 to 2.7.1.
- [Release notes](https://github.com/swatinem/rust-cache/releases)
- [Changelog](https://github.com/Swatinem/rust-cache/blob/master/CHANGELOG.md)
- [Commits](Swatinem/rust-cache@359a70e...3cf7f8c)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/build-releases.yaml

@@ -64,7 +64,7 @@ jobs:
           target: ${{ matrix.info.target }}
 
       - name: Enable Rust cache
-        uses: Swatinem/rust-cache@359a70e43a0bb8a13953b04a90f76428b4959bb6
+        uses: Swatinem/rust-cache@3cf7f8cc28d1b4e7d01e3783be10a97d55d483c8
         with:
           key: ${{ matrix.info.target }}