Bump actions/cache from 4.2.0 to 4.2.1 (#220)

Bumps [actions/cache](https://github.com/actions/cache) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4.2.0...v4.2.1)

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

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

Author: dependabot[bot]

.github/workflows/build.yaml

@@ -23,7 +23,7 @@ jobs:
         distribution: 'adopt'
         java-version: ${{ matrix.java-version }}
     - name: Cache Maven packages
-      uses: actions/cache@v4.2.0
+      uses: actions/cache@v4.2.1
       with:
         path: ~/.m2
         key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}