Bump actions/cache from 4 to 5 (#707)

Bumps [actions/cache](https://github.com/actions/cache) from 4 to 5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4...v5)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/snapshot.yml

@@ -28,7 +28,7 @@ jobs:
         with:
           distribution: 'zulu'
           java-version: '21'
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: ~/.cache
           key: ${{ runner.os }}-snapshot-${{ hashFiles('**/*.sbt') }}

.github/workflows/test.yml

@@ -52,7 +52,7 @@ jobs:
         with:
           distribution: 'zulu'
           java-version: ${{ matrix.version }}
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: ~/.cache
           key: ${{ runner.os }}-jdk${{ matrix.version }}-${{ hashFiles('**/*.sbt') }}