chore: fix sec, remove key

Author: kaixuanxu

.github/actions/validate-template/action.yml

@@ -28,5 +28,7 @@ runs:
 
     - name: Validate template
       id: validate-template
-      run: echo "::set-output name=result::$(deno run --allow-read ${{ github.action_path }}/src/main.ts ${{ inputs.path }} ${{ inputs.directory }})"
+      run: |
+        result=$(deno run --allow-read ${{ github.action_path }}/src/main.ts ${{ inputs.path }} ${{ inputs.directory }})
+        echo "result=$result" >> $GITHUB_OUTPUT
       shell: bash