chore(deps): update actions/checkout action to v3

Author: renovate-bot

.github/workflows/build_and_check.yml

@@ -18,7 +18,7 @@ jobs:
         php-version: [7.4, 8.0]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Cache Composer dependencies
         uses: actions/cache@v2
         with:
@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Setup Node.js