Bump actions/checkout from 4 to 5

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/maven.yml

@@ -12,7 +12,7 @@ jobs:
   test:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up JDK 21
         uses: actions/setup-java@v5
         with:
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-24.04
     needs: test
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up JDK 21
         uses: actions/setup-java@v5
         with:
@@ -50,7 +50,7 @@ jobs:
       contents: read
       packages: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: sed -i 's|http://localhost:8080/|${{ secrets.TOMCAT_HOST }}|g' pom.xml
       - name: Set up Maven Central Repository
         uses: actions/setup-java@v5

.github/workflows/testing.yml

@@ -9,7 +9,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up JDK 21
         uses: actions/setup-java@v5
         with: