Microsoft.OperationalInsights: Updating property name + Adding a new resource (#11649)

* Updating property name.

* example update.

* Adding force cmk to workspace.

* Adding default error response.

* Removing redundant examples.

* adding workspace capping to example per code review request.

* Per review request.

Co-authored-by: Dudi Likvornik <dulikvor@microsoft.com>

Author: dulikvor

specification/operationalinsights/resource-manager/Microsoft.OperationalInsights/stable/2020-10-01/Clusters.json

@@ -489,8 +489,8 @@
           "description": "The version of the key associated with the Log Analytics cluster.",
           "type": "string"
         },
-        "rsaKeySize": {
-          "description": "Selected key minimum required key size.",
+        "keyRsaSize": {
+          "description": "Selected key minimum required size.",
           "type": "integer",
           "format": "int32",
           "x-ms-mutability": [