Merged docker tagging actions into one

.github/workflows/stable-docker.yml

@@ -81,16 +81,7 @@ jobs:
           context: .
           platforms: linux/amd64,linux/arm/v7,linux/arm64
           push: true
-          tags: kizaing/kavita:latest
-
-      - name: Build and push
-        id: docker_build
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          platforms: linux/amd64,linux/arm/v7,linux/arm64
-          push: true
-          tags: kizaing/kavita:${{ steps.parse-version.outputs.VERSION }}
+          tags: kizaing/kavita:latest, kizaing/kavita:${{ steps.parse-version.outputs.VERSION }}
 
       - name: Image digest
         run: echo ${{ steps.docker_build.outputs.digest }}