chore(deps): 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/ci.yml

@@ -14,7 +14,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Use Node.js 20
         uses: actions/setup-node@v4
         with:

.github/workflows/codeql.yml

@@ -20,7 +20,7 @@ jobs:
       fail-fast: false
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Node.js 20
         uses: actions/setup-node@v4

.github/workflows/example.yml

@@ -7,7 +7,7 @@ jobs:
   run-action:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Run CPython Patch PR Action
         uses: ./
         with:

.github/workflows/fixtures.yml

@@ -15,7 +15,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-node@v4
         with:
           node-version: 20

.github/workflows/nightly.yml

@@ -34,7 +34,7 @@ jobs:
           echo "track=$TRACK" >> "$GITHUB_OUTPUT"
           echo "branch=$BRANCH" >> "$GITHUB_OUTPUT"
           echo "automerge=$AUTOMERGE" >> "$GITHUB_OUTPUT"
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         if: steps.check.outputs.configured == 'true'
       - uses: actions/setup-node@v4
         if: steps.check.outputs.configured == 'true'
@@ -51,7 +51,7 @@ jobs:
         run: npm run bundle
       - name: Checkout sandbox repository
         if: steps.check.outputs.configured == 'true'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           repository: ${{ env.SANDBOX_REPO }}
           ref: ${{ steps.check.outputs.branch }}

.github/workflows/release.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0