fix(docker): change get tag logic on ci build

.github/workflows/docker-push.yml

@@ -21,7 +21,7 @@ jobs:
         name: Get Github tag
         id: meta
         run: |
-          echo "::set-output name=tag::$(git describe --always --tags --match='v*')"
+          echo "::set-output name=tag::$(git describe --always --tags --match='v*' | awk -F- '{print $1}')"
       -
         name: Set up QEMU
         uses: docker/setup-qemu-action@v2