pylint: add myself as an owner

Change-Id: Iac5da55340acbec5d55d5fe4c416a7f1a8e962e9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1770421Reviewed-by: Robbie Iannucci <iannucci@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>

OWNERS

@@ -17,6 +17,8 @@ per-file autoninja*=brucedawson@chromium.org
 
 per-file ninjalog*=tikuta@chromium.org
 
+per-file pylint*=vapier@chromium.org
+
 per-file cbuildbot=file://CROS_OWNERS
 per-file chrome_set_ver=file://CROS_OWNERS
 per-file cros=file://CROS_OWNERS