fix: k8s watcher crashes when amalthea session has no label#1170

mohammad-alisafaee wants to merge 1 commit intomainSwissDataScienceCenter/renku-data-services:mainfrom

905-k8s-watcher-crashSwissDataScienceCenter/renku-data-services:905-k8s-watcher-crashCopy head branch name to clipboard