Merge pull request #31712 from dependabot[bot]

* pr/31712:
  Upgrade to actions/checkout 3

Closes gh-31712

Author: snicoll

.github/workflows/gradle-wrapper-validation.yml

@@ -9,5 +9,5 @@ jobs:
     name: "Validation"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: gradle/wrapper-validation-action@v1