Bump actions/download-artifact from 3 to 4.1.7 in /.github/workflows

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 3 to 4.1.7.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v3...v4.1.7)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
...

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

.github/workflows/continuous-deployment.yaml

@@ -128,7 +128,7 @@ jobs:
     steps:
       - id: fetch
         name: Fetch artifact
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4.1.7
         with:
           name: release-candidate
           path: ./dist

.github/workflows/docs.yml

@@ -50,7 +50,7 @@ jobs:
     if: ${{ github.ref_name == 'main' }}
     steps:
       - name: Download release candidate
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4.1.7
         with:
           name: release-candidate
           path: ./docs/