update to actions/cache@v4

Author: zoff99

.github/actions/build-docker-image/action.yml

@@ -8,7 +8,7 @@ runs:
   steps:
     - uses: docker/setup-buildx-action@master
     - name: Setup buildx cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: |
           /tmp/.buildx-cache

.github/actions/load-docker-image/action.yml

@@ -8,7 +8,7 @@ runs:
   steps:
     - uses: docker/setup-buildx-action@master
     - name: Setup buildx cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: |
           /tmp/.buildx-cache