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] <support@github.com>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     name: Generate version matrix
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Read matrix from JSON
         id: set-matrix
         run: |
@@ -31,7 +31,7 @@ jobs:
     name: Test Spring Boot ${{ matrix.boot }} / Java ${{ matrix.java }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
@@ -61,7 +61,7 @@ jobs:
     name: Test Spring Boot latest / Java ${{ matrix.java }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
@@ -103,7 +103,7 @@ jobs:
     steps:
       # IMPORTANT: pull_request_target defaults to checking out the base branch; explicitly use the PR HEAD SHA
       - name: Checkout PR HEAD
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: ${{ github.event.pull_request.head.sha }}
 
@@ -127,7 +127,7 @@ jobs:
     needs: [ test ]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Java
         uses: actions/setup-java@v4

.github/workflows/publish-packages.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Java
         uses: actions/setup-java@v4

.github/workflows/update-spring-versions.yml

@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v5