chore(deps): update actions/github-script action to v4 (#1302)

Author: renovate-bot

.github/workflows/main.yml

@@ -82,7 +82,7 @@ jobs:
         working-directory: ./scripts
 
       - name: Create PR
-        uses: actions/github-script@v2.0.0
+        uses: actions/github-script@v4.0.1
         with:
           github-token: ${{secrets.YOSHI_CODE_BOT_TOKEN}}
           script: |