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

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 081172d..fc0b963 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -82,7 +82,7 @@
         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: |