Bump actions/cache from 4.1.2 to 4.2.0 (#41)

Bumps [actions/cache](https://github.com/actions/cache) from 4.1.2 to 4.2.0.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4.1.2...v4.2.0)

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

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

.github/workflows/cargo-build.yml

@@ -19,17 +19,17 @@ jobs:
           override: true
           components: rustfmt, clippy
       - name: Cache cargo registry
-        uses: actions/cache@v4.1.2
+        uses: actions/cache@v4.2.0
         with:
           path: ~/.cargo/registry
           key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
       - name: Cache cargo index
-        uses: actions/cache@v4.1.2
+        uses: actions/cache@v4.2.0
         with:
           path: ~/.cargo/git
           key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
       - name: Cache cargo build
-        uses: actions/cache@v4.1.2
+        uses: actions/cache@v4.2.0
         with:
           path: target
           key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}