Bump actions/download-artifact from 4.1.8 to 5.0.0

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4.1.8 to 5.0.0.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4.1.8...v5.0.0)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: 5.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/docs.yaml

@@ -70,7 +70,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Get docs artifact
-        uses: actions/download-artifact@v4.1.8
+        uses: actions/download-artifact@v5.0.0
         with:
           name: techdocs-common
           path: site
@@ -95,7 +95,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Get docs artifact
-        uses: actions/download-artifact@v4.1.8
+        uses: actions/download-artifact@v5.0.0
         with:
           name: techdocs-common
           path: site