build(deps): bump actions/cache from 4 to 5 in the github-actions group (#146)

Bumps the github-actions group with 1 update: [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: github-actions
...

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

Author: dependabot[bot]

.github/workflows/test.yaml

@@ -64,7 +64,7 @@ jobs:
       run: |
         echo "WEEK=$(date +'%Y%U')" >> $GITHUB_ENV # data and cutouts
 
-    - uses: actions/cache@v4
+    - uses: actions/cache@v5
       with:
         path: |
           data
@@ -78,7 +78,7 @@ jobs:
         channel-priority: strict
 
     - name: Cache Conda env
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: ${{ env.CONDA }}/envs
         key: conda-${{ runner.os }}-${{ runner.arch }}-${{ hashFiles(format('{0}', env.env_file)) }}