feat(github-action): update oxsecurity/megalinter action to v6.9.0

| datasource  | package               | from   | to     |
| ----------- | --------------------- | ------ | ------ |
| github-tags | oxsecurity/megalinter | v6.3.0 | v6.9.0 |

Author: chii-bot[bot]

.github/workflows/lint.yaml

@@ -29,7 +29,7 @@ jobs:
           private_key: "${{ secrets.BOT_APP_PRIVATE_KEY }}"
 
       - name: MegaLinter
-        uses: oxsecurity/megalinter@v6.3.0
+        uses: oxsecurity/megalinter@v6.9.0
         env:
           GITHUB_TOKEN: "${{ steps.generate-token.outputs.token }}"
           PRINT_ALPACA: false