ci(deps): bump Swatinem/rust-cache (#2971)

Bumps the actions group with 1 update: [Swatinem/rust-cache](https://github.com/swatinem/rust-cache).


Updates `Swatinem/rust-cache` from 2.9.2 to 2.9.3
- [Release notes](https://github.com/swatinem/rust-cache/releases)
- [Changelog](https://github.com/Swatinem/rust-cache/blob/master/CHANGELOG.md)
- [Commits](https://github.com/swatinem/rust-cache/compare/6323deb102c322ba6fcbdcafc7e3dddab59af2b6...d1527c8f67ef9af357290475d4af4b0fab8f12e0)

---
updated-dependencies:
- dependency-name: Swatinem/rust-cache
  dependency-version: 2.9.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -64,7 +64,7 @@ jobs:
             --target wasm32-unknown-unknown
           rustup default stable
 
-      - uses: Swatinem/rust-cache@6323deb102c322ba6fcbdcafc7e3dddab59af2b6 # v2.9.2
+      - uses: Swatinem/rust-cache@d1527c8f67ef9af357290475d4af4b0fab8f12e0 # v2.9.3
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}