Update Docker workflow

Author: mikhail-vl

.github/workflows/docker.yml

@@ -168,7 +168,7 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Build and push
+      - name: Build and push latest
         id: docker_build
         uses: docker/build-push-action@v2
         with:
@@ -180,8 +180,8 @@ jobs:
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache
 
-      - name: Build and push
-        id: docker_build
+      - name: Build and push master
+        id: docker_build_master
         uses: docker/build-push-action@v2
         with:
           context: .
@@ -194,4 +194,4 @@ jobs:
           cache-to: type=local,dest=/tmp/.buildx-cache
 
       - name: Image digest
-        run: echo ${{ steps.docker_build.outputs.digest }}
+        run: echo ${{ steps.docker_build.outputs.digest }}