Fix git-auto-commit.yml (stefanzweifel#277)

Author: zcong1993

.github/workflows/git-auto-commit.yml

@@ -18,9 +18,9 @@ jobs:
       uses: ./
 
     - name: "no changes detected"
-      if: steps.auto-commit-action.outputs.changes_detected == false
+      if: steps.auto-commit-action.outputs.changes_detected == 'false'
       run: "echo \"No changes detected\""
 
     - name: "changes detected"
-      if: steps.auto-commit-action.outputs.changes_detected == true
+      if: steps.auto-commit-action.outputs.changes_detected == 'true'
       run: "echo \"Changes detected\""