Only push tagged version to docker.io

[longshuicy]

The rest PR build can go to github

example

- name: Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

then

 - name: Build and push ${{ matrix.name }}
        uses: docker/build-push-action@v2
        with:
          push: true
          file: ${{ matrix.FOLDER }}/extractor.dockerfile
          context: ${{ matrix.FOLDER }}
          platforms: ${{ matrix.PLATFORM }}
          cache-from: type=gha,scope=${{ matrix.name }}
          cache-to: type=gha,mode=max,scope=${{ matrix.name }}
          tags: ${{ env.IMAGES }}
          build-args: |
            VERSION=${{ env.VERSION }}
            BUILDNUMBER=${{ github.run_number }}
            GITSHA1=${{ github.sha  }}