bot: Make grcov ignore parsing errors

Author: marco-c

bot/code_coverage_bot/grcov.py

@@ -13,7 +13,7 @@ def report(artifacts, source_dir=None, out_format="covdir", options=[]):
  "lcov",
  "coveralls+",
  ), "Unsupported output format"
- cmd = ["grcov", "-t", out_format]
+ cmd = ["grcov", "--ignore-parsing-error", "-t", out_format]
 
  # Coveralls+ is only needed for zero-coverage reports
  if out_format == "coveralls+":