Fixing if block

Author: Mohit Saxena

.github/workflows/build-image-test.yaml

@@ -20,6 +20,7 @@ jobs:
           for file in ${{ steps.changed-files.outputs.all_changed_files }}; do
             if [ $file = "Dockerfile" ]; then
               echo "DOCKERFILE_CHANGED=true" >> $GITHUB_ENV
+            fi
           done
 
       - name: Build