Bump namespace-actions/download-artifact from 1 to 2 (project-chip#42316)

Bumps [namespace-actions/download-artifact](https://github.com/namespace-actions/download-artifact) from 1 to 2.
- [Release notes](https://github.com/namespace-actions/download-artifact/releases)
- [Commits](namespace-actions/download-artifact@v1...v2)

---
updated-dependencies:
- dependency-name: namespace-actions/download-artifact
  dependency-version: '2'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/tests.yaml

@@ -912,7 +912,7 @@ jobs:
               uses: ./.github/actions/add-ipv6
 
             - name: Download artifacts for running
-              uses: namespace-actions/download-artifact@v1
+              uses: namespace-actions/download-artifact@v2
               with:
                 name: repl-build-data