Update id_editor URL

[simon04]

Their master branch is gone: openstreetmap/iD@32600f9

[joto]

@simon04 CI failed

[simon04]

I've submitted a PR for fixing the project file.

[quincylvania]

Hi folks, thanks for noticing this. You could consider pointing to iD's release branch instead of develop if you want the tags actually used on openstreetmap.org, ignoring any intermediate development changes.