Fix plantwiki deployment skew

apps/plantwiki/deploy.yaml

@@ -11,7 +11,7 @@ metadata:
   name: plantwiki
   namespace: plantwiki
 spec:
-  replicas: 1
+  replicas: 2
   selector:
     matchLabels:
       app: plantwiki
@@ -20,7 +20,13 @@ spec:
       labels:
         app: plantwiki
     spec:
-      nodeName: hetzner-dedicated
+      topologySpreadConstraints:
+        - maxSkew: 1
+          topologyKey: kubernetes.io/hostname
+          whenUnsatisfiable: ScheduleAnyway
+          labelSelector:
+            matchLabels:
+              app: plantwiki
       containers:
       - image: git.trivernis.net/trivernis/plantwiki:latest
         name: plantwiki