config(public-api): increase memory resources (#440)

During bootup, service is often killed by OOMKiller

## 📝 Description
<!-- Describe your changes in detail -->

## ✅ Checklist
- [x] I have tested this change
- [ ] ~This change requires documentation update~

Author: radwo

public-api/v2/helm/values.yaml

@@ -10,7 +10,7 @@ resources:
     cpu: 500m
     memory: 100Mi
   limits:
-    memory: 250Mi
+    memory: 300Mi
 
 statsd:
   resources:
@@ -19,4 +19,4 @@ statsd:
       memory: "50Mi"
     requests:
       cpu: "5m"
-      memory: "25Mi"
+      memory: "25Mi"