update versions of actions

remove explicit cache

.github/workflows/site.yml

@@ -10,29 +10,27 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: 3.x
+          cache: 'pip'
+      - run: pip install mkdocs-material==9.5.25
+
       - name: Set up JDK 11
-        uses: actions/setup-java@v3.11.0
+        uses: actions/setup-java@v4
         with:
           java-version: '11'
           distribution: 'adopt'
+          cache: 'gradle'
+
       - name: Setup Dependencies
         run: |
           sudo apt update
           sudo apt install graphviz
           sudo snap install yq 
 
-      - run: echo "cache_id=$(date --utc '+%V')" >> $GITHUB_ENV
-      - uses: actions/cache@v3
-        with:
-          key: mkdocs-material-${{ env.cache_id }}
-          path: .cache
-          restore-keys: |
-            mkdocs-material-
-      - run: pip install mkdocs-material
+
       - name: Deploy site
         run: |
           ./gradlew doSite