chore(deps): bump actions/download-artifact from 5 to 6 (#1808)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/benchmark.yml

@@ -50,7 +50,7 @@ jobs:
           private-key: ${{ secrets.GH_APP_SAS_APP_KEY }}
 
       - name: download artifacts
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           name: benchmarks
           path: artifacts

.github/workflows/docs.yml

@@ -77,7 +77,7 @@ jobs:
           private-key: ${{ secrets.GH_APP_SAS_APP_KEY }}
 
       - name: Download docs
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           name: doc-${{ github.sha }}
           path: tmp/

.github/workflows/docsv2.yml

@@ -82,7 +82,7 @@ jobs:
           private-key: ${{ secrets.GH_APP_SAS_APP_KEY }}
 
       - name: Download docs v2
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           name: docsv2-${{ github.sha }}
           path: tmp/