Bump actions/download-artifact from 3.0.2 to 4.0.0 (#1124)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 3.0.2 to 4.0.0.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](9bc31d5ccc...7a1cd3216c)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  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>

.github/workflows/deploy.yml

@@ -179,7 +179,7 @@ jobs:
         timeout-minutes: 1
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - name: Download release artifact
-        uses: actions/download-artifact@9bc31d5ccc31df68ecc42ccf4149144866c47d8a
+        uses: actions/download-artifact@7a1cd3216ca9260cd8022db641d960b1db4d1be4
         with:
           name: Binaries
       - name: Unzip artifacts

.github/workflows/pull-request.yml

@@ -568,7 +568,7 @@ jobs:
           workload_identity_provider: ${{ secrets.FIREBASE_TEST_LAB_WORKLOAD_IDENTITY_PROVIDER }}
           access_token_lifetime: '900s'
       - name: Download a single artifact
-        uses: actions/download-artifact@9bc31d5ccc31df68ecc42ccf4149144866c47d8a
+        uses: actions/download-artifact@7a1cd3216ca9260cd8022db641d960b1db4d1be4
         with:
           name: Binaries
       - name: Robo test