Add ocp 4.18 ec cluster pool config in us-east-1 (openshift#58944)

Author: cahartma

clusters/hosted-mgmt/hive/pools/openshift-observability/obs-logging-ocp-4-18-amd64-aws-us-east-1_clusterpool.yaml

@@ -0,0 +1,36 @@
+apiVersion: hive.openshift.io/v1
+kind: ClusterPool
+metadata:
+  labels:
+    architecture: amd64
+    cloud: aws
+    owner: obs-logging
+    product: ocp
+    region: us-east-1
+    version: "4.18"
+    version_lower: 4.18.0-0
+    version_stream: 4-dev-preview
+    version_upper: 4.19.0-0
+  name: obs-logging-ocp-4-18-amd64-aws-us-east-1
+  namespace: openshift-observability-cluster-pool
+spec:
+  baseDomain: devobscluster.devcluster.openshift.com
+  hibernationConfig:
+    resumeTimeout: 20m0s
+  imageSetRef:
+    name: ocp-release-4.18.0-ec.3-x86-64-for-4.18.0-0-to-4.19.0-0
+  installAttemptsLimit: 1
+  installConfigSecretTemplateRef:
+    name: install-config-aws-us-east-1
+  labels:
+    tp.openshift.io/owner: obs-logging
+  maxSize: 10
+  platform:
+    aws:
+      credentialsSecretRef:
+        name: aws-installer-credentials
+      region: us-east-1
+  pullSecretRef:
+    name: pull-secret
+  size: 2
+  skipMachinePools: true