Merge pull request #97 from WIAS-PDELib/dependabot/github_actions/actions/cache-5

Bump actions/cache from 4 to 5

Author: pjaap

.github/workflows/ci.yml

@@ -38,7 +38,7 @@ jobs:
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         env:
           cache-name: cache-artifacts
         with: