Bump the github-actions group with 2 updates

Bumps the github-actions group with 2 updates: [actions/download-artifact](https://github.com/actions/download-artifact) and [codecov/codecov-action](https://github.com/codecov/codecov-action).


Updates `actions/download-artifact` from 4.1.7 to 4.1.9
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4.1.7...v4.1.9)

Updates `codecov/codecov-action` from 4 to 5
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v4...v5)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: github-actions
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/docs.yml

@@ -50,7 +50,7 @@ jobs:
     if: contains(github.ref, 'tags')
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/download-artifact@v4.1.7
+    - uses: actions/download-artifact@v4.1.9
       with:
         name: docs
 

.github/workflows/test_and_deploy.yml

@@ -62,7 +62,7 @@ jobs:
         if: ${{ always() }}
 
       - name: Coverage
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         # Don't run coverage on merge queue CI to avoid duplicating reports
         # to codecov. See https://github.com/matplotlib/napari-matplotlib/issues/155
         if: github.event_name != 'merge_group'