bump gollum to v1.2.1

Author: soerenschneider

apps/gollum/deployment.yaml

@@ -33,7 +33,7 @@ spec:
           type: "RuntimeDefault"
       containers:
         - name: "gollum"
-          image: "ghcr.io/soerenschneider/gollum:1.2.0"
+          image: "ghcr.io/soerenschneider/gollum:1.2.1"
           imagePullPolicy: "IfNotPresent"
           command:
             - "/manager"