Chore(deps): Bump the actions-infrastructure group across 1 directory with 2 updates

Bumps the actions-infrastructure group with 2 updates in the / directory: [actions/checkout](https://github.com/actions/checkout) and [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `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)

Updates `actions/download-artifact` from 4 to 5
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions-infrastructure
- dependency-name: actions/download-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions-infrastructure
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/codespell.yml

@@ -14,6 +14,6 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Codespell
         uses: codespell-project/actions-codespell@v2

.github/workflows/tests.yml

@@ -30,7 +30,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
       - name: Install the latest version of uv
@@ -49,7 +49,7 @@ jobs:
       matrix:
         package: ["wheel", "sdist"]
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: dist
           path: dist/
@@ -100,7 +100,7 @@ jobs:
       DEPENDS: ${{ matrix.dependencies }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Install the latest version of uv
         uses: astral-sh/setup-uv@v6
       - name: Set up Python ${{ matrix.python-version }}
@@ -133,7 +133,7 @@ jobs:
     needs: [test, test-package]
     if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: dist
           path: dist/
@@ -150,7 +150,7 @@ jobs:
         check: ['specs', 'style']
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Install the latest version of uv
         uses: astral-sh/setup-uv@v6
       - name: Show tox config