ci(action): update actions/download-artifact digest to c850b93 (#96)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/test.yml

@@ -106,7 +106,7 @@ jobs:
  fetch-depth: 0
 
  - name: Download coverage report
- uses: actions/download-artifact@6b208ae046db98c579e8a3aa621ab581ff575935 # v4
+ uses: actions/download-artifact@c850b930e6ba138125429b7e5c93fc707a7f8427 # v4
  with:
  name: coverage-report
  path: coverage/