Fix breakage of coverage PR report cause by #2682. (#2704)

The `note` was the fourth parameter, but was made fifth in #2682.

Author: yifanyang

ci/fireci/fireciplugins/coverage.py

@@ -61,7 +61,7 @@ def coverage(pull_request, log, metrics_service_url, access_token):
 Report files are located at `<product-build-dir>/reports/jacoco/`.
 '''
 
-  uploader.post_report(test_report, metrics_service_url, access_token, note)
+  uploader.post_report(test_report, metrics_service_url, access_token, note=note)
 
 
 def _parse_xml_reports():