Update link for filing repo issues

The issues of the repo tool have been migrated from Monorail into the
Gerrit Tracker, hence the URL to file issues has changed.

Change-Id: Ibb854017d6beec906d4cb4f928a2d27d9e3c37f6
Reviewed-on: https://pigweed-review.googlesource.com/c/infra/recipes/+/152450
Commit-Queue: Rob Mohr <mohrr@google.com>
Reviewed-by: Nathan Mulcahey <nmulcahey@google.com>
diff --git a/recipe_modules/repo/resources/repo b/recipe_modules/repo/resources/repo
index c084b65..edff454 100755
--- a/recipe_modules/repo/resources/repo
+++ b/recipe_modules/repo/resources/repo
@@ -146,7 +146,7 @@
 if not REPO_REV:
   REPO_REV = 'stable'
 # URL to file bug reports for repo tool issues.
-BUG_URL = 'https://bugs.chromium.org/p/gerrit/issues/entry?template=Repo+tool+issue'
+BUG_URL = 'https://issues.gerritcodereview.com/issues/new?component=1370071'
 
 # increment this whenever we make important changes to this script
 VERSION = (2, 21)