ci: 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/codeql.yml

@@ -42,7 +42,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL

.github/workflows/dependabot-approve-and-auto-merge.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
       # Checkout the source code
       - name: 'Checkout source code'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: 'Fetch Dependabot metadata'
         id: dependabot-fetch

.github/workflows/release-please.yml

@@ -25,7 +25,7 @@ jobs:
         # a new release is created:
         if: ${{ steps.release.outputs.release_created }}
 
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Node
         uses: actions/setup-node@v4
         if: ${{ steps.release.outputs.release_created }}