Bump Swatinem/rust-cache from 1 to 2

Bumps [Swatinem/rust-cache](https://github.com/swatinem/rust-cache) from 1 to 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@v1.0.0...v2)

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

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

.github/workflows/test.yaml

@@ -225,7 +225,7 @@ jobs:
           default: true
 
       - name: Restore cache
-        uses: Swatinem/rust-cache@v1
+        uses: Swatinem/rust-cache@v2
 
       - name: Build & test
         env: