ci: fix remaining actions on node 20 (#634)

Author: estebany-qd

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
         with:
           python-version: 3.x
       - run: echo "cache_id=$(date --utc '+%V')" >> $GITHUB_ENV
-      - uses: actions/cache@6f8efc29b200d32929f49075959781ed54ec270c # v3.5.0
+      - uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           key: mkdocs-material-${{ env.cache_id }}
           path: .cache