chore(deps): update enricomi/publish-unit-test-result-action action to v2.21.0 (#888)

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

Author: renovate[bot]

.github/workflows/report_test_results.yml

@@ -24,6 +24,6 @@ jobs:
       - name: List downloaded files
         run: ls -lR
       - name: Publish test results
-        uses: EnricoMi/publish-unit-test-result-action@3a74b2957438d0b6e2e61d67b05318aa25c9e6c6 # v2.20.0
+        uses: EnricoMi/publish-unit-test-result-action@34d7c956a59aed1bfebf31df77b8de55db9bbaaf # v2.21.0
         with:
           files: "test_results/*.xml"