build: update UI run as

Author: leafty

helm-chart/renku/values.yaml

@@ -566,7 +566,7 @@ ui:
     affinity: {}
     podSecurityContext: {}
     securityContext:
-      runAsUser: 101
+      runAsUser: 1000
       runAsNonRoot: true
       allowPrivilegeEscalation: false
     # This defines the message displayed on the home page of logged in users.