Bump actions/download-artifact from 4 to 5

Bumps [actions/download-artifact](https://github.com/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/download-artifact
  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/ci.yml

@@ -88,7 +88,7 @@ jobs:
           cache: pip
 
       - name: Download coverage data
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           pattern: coverage-data-*
           merge-multiple: true

.github/workflows/pypi-package.yml

@@ -39,7 +39,7 @@ jobs:
 
     steps:
       - name: Download packages built by build-and-inspect-python-package
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: Packages
           path: dist
@@ -59,7 +59,7 @@ jobs:
 
     steps:
       - name: Download packages built by build-and-inspect-python-package
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: Packages
           path: dist