Build.snapcraft.io: Support webhook build trigger?

Another bump for the same use case.

I maintain a snapcraft.yaml file and recently had my PR merged upstream so now I don’t need my repo anymore except that I can’t connect my account to the upstream repo. There doesn’t seem to be any documented method for manually adding a github webhook either so I’m stuck having to run git pull upstream master && git push origin master just so I can keep the snaps building.

[Edit] This other would also help the security minded folks out too with snapcraft asking for “too many permissions” c.f. Issues on publishing an official radare2 snap package

[Edit] Also related: Excessive permissions required to build from GitHub and Trigger snap build from GitHub Action