chore(gha): 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

@@ -31,7 +31,7 @@ jobs:
           sudo apt-get install -y libxml2-utils
 
       # Checkout code fetch-depth significantly impacts performance
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 1
 
@@ -58,7 +58,7 @@ jobs:
             java-version: 11
     steps:
       - name: Checkout (sparse)
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 1  
       - name: Build Expath Package
@@ -185,7 +185,7 @@ jobs:
     if: github.ref == 'refs/heads/master'
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           persist-credentials: false
       - name: Setup Node.js

.github/workflows/pr-external.yml

@@ -21,7 +21,7 @@ jobs:
 
       # Use ...head.ref for the full branch
       - name: Checkout PR head SHA
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 1
           ref: ${{ github.event.pull_request.head.sha }}

.github/workflows/pr-internal.yml

@@ -20,7 +20,7 @@ jobs:
           sudo apt-get install -y libsaxonhe-java
 
       - name: Checkout PR branch
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 1
           ref: ${{ github.event.pull_request.head.sha }}