dependabot: bump actions/checkout from 2 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v4)

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

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

.github/workflows/auto-release.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Get tag
         id: tag
         uses: dawidd6/action-get-tag@v1
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: ncipollo/release-action@v1
         with:
           github_token: ${{ steps.github_app_token.outputs.token }}

.github/workflows/bwc-test-workflow.yml

@@ -20,7 +20,7 @@ jobs:
           java-version: 21
       # index-management
       - name: Checkout Branch
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Run IM Backwards Compatibility Tests
         run: |
           echo "Running backwards compatibility tests..."

.github/workflows/create-documentation-issue.yml

@@ -22,7 +22,7 @@ jobs:
           installation_id: 22958780
 
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Edit the issue template
         run: |

.github/workflows/docker-security-test-workflow.yml

@@ -18,7 +18,7 @@ jobs:
           distribution: temurin # Temurin is a distribution of adoptium
           java-version: 21
       - name: Checkout Branch
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Build Index Management
         run: ./gradlew assemble
       - name: Pull and Run Docker

.github/workflows/links.yml

@@ -9,7 +9,7 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: lychee Link Checker
         id: lychee
         uses: lycheeverse/lychee-action@master

.github/workflows/maven-publish.yml

@@ -21,7 +21,7 @@ jobs:
         with:
           distribution: temurin # Temurin is a distribution of adoptium
           java-version: 21
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: aws-actions/configure-aws-credentials@v4
         with:
           role-to-assume: ${{ secrets.PUBLISH_SNAPSHOTS_ROLE }}