Bump version to 2.0.3 and update GitHub Actions to Node.js 24

Update all Docker GitHub Actions to their latest major versions to
  resolve Node.js 20 deprecation warnings ahead of the June 2026 cutoff.

.github/workflows/image.yml

@@ -15,14 +15,14 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       - name: Login to DockerHub
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
@@ -35,7 +35,7 @@ jobs:
 
       - name: Docker meta
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           images: timothyjmiller/cloudflare-ddns
           tags: |
@@ -46,7 +46,7 @@ jobs:
             type=raw,enable=${{ github.ref == 'refs/heads/master' }},value=${{ steps.version.outputs.version }}
 
       - name: Build and push
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}