Merge pull request #4 from OCEANOFANYTHING/renovate/actions-checkout-4.x

Update actions/checkout action to v4

Author: OCEANOFANYTHING

.github/workflows/ImgBot.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Run ImgBot
         uses: imgbot/ImgBot-action@v1
         with: