Update GitHub Actions workflow to latest versions of Docker actions

- Updated Docker action versions (`checkout`, `setup-qemu`, `setup-buildx`, `login`, `build-push`) for improved features and compatibility.
- Renamed workflow file from `docker-image.yml` to `docker-image`.

Author: luispater

.github/workflows/docker-image.yml

@@ -1,4 +1,4 @@
-name: docker-image.yml
+name: docker-image
 
 on:
   push:
@@ -14,20 +14,20 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
       - name: Login to DockerHub
-        uses: docker/login-action@v1
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
       - name: Generate App Version
         run: echo APP_VERSION=`git describe --tags --always` >> $GITHUB_ENV
       - name: Build and push
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v6
         with:
           context: .
           platforms: |