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/ci.yml

@@ -44,7 +44,7 @@ jobs:
     needs: [build]
     if: ${{ needs.build.outputs.should-deploy-artifacts == 'true' }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Dispatch (partial build)
         if: github.ref_type == 'branch'
         env:

.github/workflows/deploy-docs.yml

@@ -10,7 +10,7 @@ jobs:
     if: github.repository_owner == 'spring-projects'
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: docs-build
           fetch-depth: 1

.github/workflows/pr-build-workflow.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.repository == 'spring-projects/spring-security-kerberos' }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up gradle
         uses: spring-io/spring-gradle-build-action@v2
         with:
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.repository == 'spring-projects/spring-security-kerberos' }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up gradle
         uses: spring-io/spring-gradle-build-action@v2
         with:

.github/workflows/release-scheduler.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 1
       - name: Dispatch