adding failed job exit

.gitea/workflows/yaml-lint.yml

@@ -56,9 +56,13 @@ jobs:
           for file in ${{ steps.changed-files.outputs.changed_files }}; do
             if LC_ALL=C  grep --color='auto' -P -n "[^\x00-\x7F]" $file &>/dev/null; then
               echo "$file contains non-unicode characters!"
+              LC_ALL=C  grep --color='auto' -P -n "[^\x00-\x7F]" $file
+              failed_job=true
             fi
           done
-
+          if [ "$failed_job" = true ] ; then
+            exit 1
+          fi
       - name: Install yamllint
         run: |
           sudo apt-get update