Fix workflow yaml bug

Signed-off-by: Marcela Melara <marcela.melara@intel.com>

Author: marcelamelara

.github/workflows/test-buildenv-l1-container.yml

@@ -24,7 +24,7 @@ jobs:
       with:
         context: "."
         file: "build-container/test-buildenv-l1.dockerfile"
-        tag: "test_l1:latest"
+        tags: "test_l1:latest"
 
     - name: Generate SLSA Provenance
       id: slsa