Parses the CL descriptions and adds missing hashtags to Gerrit changes.
Also add ./tools/push-to-gerrit which runs this after pushing the local branch's changes to 'main'.
Use this for the VSCode 'push' task.
Change-Id: I4c3f5982f6fdc7c1c6ebe770fc7811b1b38795d1
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/133061
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Ben Clayton <bclayton@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Ben Clayton