FIX: condition to build image

Author: jarpsimoes

.github/workflows/docker-image.yml

@@ -42,7 +42,7 @@ jobs:
           fail_ci_if_error: true 
 
   build:
-    if: startsWith(github.ref, 'refs /tags/')
+    if: startsWith(github.ref, 'refs/tags/')
     runs-on: ubuntu-latest
     needs: coverage
     steps: