Bump actions/checkout from 4 to 5 (#16)

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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/deploy.yaml

@@ -14,7 +14,7 @@ jobs:
     steps:
       # Boilerplate
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       # We need Ghostscript for XeTeX tests.
       - run: sudo apt-get update && sudo apt-get install ghostscript
       - name: Install TeX Live

.github/workflows/main.yaml

@@ -12,7 +12,7 @@ jobs:
     steps:
       # Boilerplate
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       # We need Ghostscript for XeTeX tests.
       - run: sudo apt-get update && sudo apt-get install ghostscript
       - name: Install TeX Live