fix ci for releases

Signed-off-by: Frederico Araujo <[email protected]>

.github/workflows/ci.yaml

@@ -94,7 +94,7 @@ jobs:
         id: args
         shell: bash
         run: |
-          echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
+          echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/*/})"
           echo "::set-output name=sha_short::$(git rev-parse --short HEAD)"    
       - name: Build and push
         id: docker_build