typo: Gorup -> Group (#12586)

Author: nschonni

specification/applicationinsights/resource-manager/readme.cli.md

@@ -24,7 +24,7 @@ cli:
         removed: true
       - select: 'operation'
         where:
-            operationGorup: 'components'
+            operationGroup: 'components'
             operation: 'updateTags'
         removed: true
       - select: 'operationGroup'