Incerase memory request for pubapi and frontend to 1Gi (#2743)

Author: ptkach

jetty/kubernetes/nomulus-frontend.yaml

@@ -26,7 +26,7 @@ spec:
         resources:
           requests:
             cpu: "100m"
-            memory: "512Mi"
+            memory: "1Gi"
         args: [ENVIRONMENT]
         env:
         - name: POD_ID

jetty/kubernetes/nomulus-pubapi.yaml

@@ -35,7 +35,7 @@ spec:
             # class from performance, which has implicit pod-slots 1
             cloud.google.com/pod-slots: 0
             cpu: "100m"
-            memory: "512Mi"
+            memory: "1Gi"
           limits:
             # explicit pod-slots 0 is required in order to downgrade node 
             # class from performance, which has implicit pod-slots 1