Merge pull request #147 from IBM/renovate/actions-cache-5.x

Update actions/cache action to v5

Author: ppalmes

.github/workflows/tests-nightly.yml

@@ -24,7 +24,7 @@ jobs:
         with:
           version: ${{ inputs.jl_version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         env:
           cache-name: cache-artifacts
         with: