Managed K8S resources should match standalone. (#2288)

The CPU and memory requests for a standalone agent were updated to
higher values than what is currently used for Fleet managed agents.
Update the managed configuration to match the standalone configuration
there is no reason for them to be different.

Author: cmacknz

deploy/kubernetes/elastic-agent-managed-kubernetes.yaml

@@ -66,10 +66,10 @@ spec:
             runAsUser: 0
           resources:
             limits:
-              memory: 500Mi
+              memory: 700Mi
             requests:
               cpu: 100m
-              memory: 200Mi
+              memory: 400Mi
           volumeMounts:
             - name: proc
               mountPath: /hostfs/proc

deploy/kubernetes/elastic-agent-managed/elastic-agent-managed-daemonset.yaml

@@ -66,10 +66,10 @@ spec:
             runAsUser: 0
           resources:
             limits:
-              memory: 500Mi
+              memory: 700Mi
             requests:
               cpu: 100m
-              memory: 200Mi
+              memory: 400Mi
           volumeMounts:
             - name: proc
               mountPath: /hostfs/proc

dev-tools/kubernetes/base/elastic-agent-managed/daemonset.yaml

@@ -38,10 +38,10 @@ spec:
             runAsUser: 0
           resources:
             limits:
-              memory: 500Mi
+              memory: 700Mi
             requests:
               cpu: 100m
-              memory: 200Mi
+              memory: 400Mi
           volumeMounts:
             - name: proc
               mountPath: /hostfs/proc