Bump actions/checkout from 2.4.0 to 3 (#7399)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.4.0 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.4.0...v3)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

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

@@ -6,5 +6,5 @@ jobs:
     name: "Validation"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v3
       - uses: gradle/[email protected]

.github/workflows/gradle_branch.yml

@@ -12,7 +12,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2.4.0
+    - uses: actions/checkout@v3
     - name: Set up JDK 8
       uses: actions/setup-java@v2
       with:

.github/workflows/gradle_jdk11.yml

@@ -14,7 +14,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2.4.0
+    - uses: actions/checkout@v3
     - name: Set up JDK 11
       uses: actions/setup-java@v2
       with:

.github/workflows/gradle_pr.yml

@@ -12,7 +12,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2.4.0
+    - uses: actions/checkout@v3
     - name: Set up JDK 8
       uses: actions/setup-java@v2
       with:

.github/workflows/gradle_release.yml

@@ -17,7 +17,7 @@ jobs:
     env:
       CI_BUILD_NUMBER: ${{ github.run_number }}
     steps:
-    - uses: actions/checkout@v2.4.0
+    - uses: actions/checkout@v3
     - name: Set up JDK 8
       uses: actions/setup-java@v2
       with:

.github/workflows/gradle_snapshot.yml

@@ -16,7 +16,7 @@ jobs:
       # ------------------------------------------------------------------------------ 
       CI_BUILD_NUMBER: ${{ github.run_number }}
     steps:
-    - uses: actions/checkout@v2.4.0
+    - uses: actions/checkout@v3
     - name: Set up JDK 8
       uses: actions/setup-java@v2
       with: