Update actions/github-script action to v8 (lobehub#9554)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/lock-closed-issues.yml

@@ -19,7 +19,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Lock closed issues after 7 days of inactivity
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const lockScript = require('./.github/scripts/lock-closed-issues.js');