Branches with too long names will break the label feature

[boxcee]

It seems the length for labels can be 50 characters max.

Error message:

HttpError: Validation Failed: {"value":"released on @feature/SUVI-2176-Unfallmeldung-Erstzeuge-falsche-Adressdaten-werden-nicht-als-Fehlergrund-markiert","resource":"Label","field":"name","code":"invalid"}