Update README

Author: vberlier

README.md

@@ -14,7 +14,7 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: mcbeet/check-commands@v1
         with:
           source: path/to/my_data_pack