fix build file

Author: ngalaiko

.github/workflows/ci.yml

@@ -20,8 +20,8 @@ jobs:
     - name: build
       run: |
         docker build \
-            -t ngalayko/bazel-action:${{ matrix.version }}
-            --build-arg bazel_version=${{ matrix.version }}
+            -t ngalayko/bazel-action:${{ matrix.version }} \
+            --build-arg bazel_version=${{ matrix.version }} \
             .
 
     - name: login to registry