Bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...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/pr-drools-docs.yml

@@ -40,7 +40,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     name: ${{ matrix.os }} / Java-${{ matrix.java-version }} / Maven-${{ matrix.maven-version }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Java and Maven Setup
         uses: apache/incubator-kie-kogito-pipelines/.ci/actions/maven@main
         with:

.github/workflows/pr-rat-check.yml

@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Download Apache RAT
         run: |