update image build actions to latest versions (#1229)

this should resolve some deprecation warnings for some things that will soon break

.github/workflows/publish-otel-php-base-docker-image.yml

@@ -16,20 +16,20 @@ jobs:
     steps:
 
       - name: check out the repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
 
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@v1
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push ${{ matrix.php-version }} to ghcr.io
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v5
         with:
           push: true
           file: docker/Dockerfile