chore: update actions/checkout action to v4

Author: renovate[bot]

.github/workflows/RELEASE.yml

@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Use Node.js
         uses: actions/setup-node@v3
         with: