Bump actions/checkout from 3 to 4 (#202)

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](https://github.com/actions/checkout/compare/v3...v4)

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

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

.github/workflows/pr.yaml

@@ -7,7 +7,7 @@ jobs:
   yaml:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ibiqlik/action-yamllint@v3
         with:
           format: colored
@@ -16,7 +16,7 @@ jobs:
   markdown:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: avto-dev/markdown-lint@v1
         with:
           args: /github/workspace
@@ -26,7 +26,7 @@ jobs:
     env:
       MAVEN_ARGS: --batch-mode --color=always --no-transfer-progress -Dmaven.test.redirectTestOutputToFile=false
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           distribution: temurin