chore(deps): bump actions/cache (#321)

Bumps the actions-dependencies group with 1 update in the / directory: [actions/cache](https://github.com/actions/cache).


Updates `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
  dependency-group: actions-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Samuel Burnham <45365069+samuelburnham@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/compile.yml

@@ -26,7 +26,7 @@ jobs:
       - run: |
           mkdir -p ~/.local/bin
           echo | lake run install
-      - uses: actions/cache/save@v4
+      - uses: actions/cache/save@v5
         with:
           path: ~/.local/bin/ix
           key: ix-${{ github.sha }}
@@ -46,7 +46,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       # Restore cached `ix` binary
-      - uses: actions/cache/restore@v4
+      - uses: actions/cache/restore@v5
         with:
           path: ~/.local/bin/ix
           key: ix-${{ github.sha }}
@@ -61,7 +61,7 @@ jobs:
           use-github-cache: false
       # FLT and FC take a few minutes to rebuild, so we cache the build artifacts
       - if: matrix.cache_pkg
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ${{ env.COMPILE_DIR }}/.lake/packages/${{ matrix.cache_pkg }}/.lake/build
           key: ${{ matrix.cache_pkg }}-${{ runner.os }}-${{ runner.arch }}-${{ hashFiles(format('{0}/lean-toolchain', env.COMPILE_DIR)) }}-${{ hashFiles(format('{0}/lake-manifest.json', env.COMPILE_DIR)) }}