fix: update the github action versions, as reviewdog is complaining (#6049)

.github/workflows/knative-docs-image.yaml

@@ -19,27 +19,27 @@ jobs:
       packages: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       - name: Log in to the Container registry
-        uses: docker/login-action@v1
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build mkdocs image
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v6
         with:
           push: true
           file: ./hack/docker/Dockerfile
           tags: ghcr.io/knative/knative-docs:latest
 
       - name: Build helloworld-go image
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v6
         with:
           push: true
           platforms: linux/amd64,linux/arm64,linux/ppc64le,linux/s390x
@@ -47,7 +47,7 @@ jobs:
           tags: ghcr.io/knative/helloworld-go:latest
 
       - name: Build autoscale-go image
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v6
         with:
           push: true
           platforms: linux/amd64,linux/arm64,linux/ppc64le,linux/s390x

.github/workflows/mkdocs-strict-verify.yaml

@@ -36,7 +36,7 @@ jobs:
       GOPATH: ${{ github.workspace }}
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0