Fix linting errors

Author: Anat Gilenson

specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2021-03-01-preview/AlertRules.json

@@ -764,6 +764,7 @@
           "type": "array"
         }
       },
+      "type": "object",
       "required": [
         "value"
       ]
@@ -798,6 +799,7 @@
           "type": "array"
         }
       },
+      "type": "object",
       "required": [
         "value"
       ]
@@ -949,6 +951,7 @@
               "type": "array"
             }
           },
+          "type": "object",
           "required": [
             "displayName",
             "description",
@@ -1061,6 +1064,7 @@
             "severity",
             "alertRulesCreatedByTemplateCount"
           ],
+          "type": "object",
           "x-ms-client-flatten": true
         }
       },
@@ -1166,6 +1170,7 @@
             "severity",
             "alertRulesCreatedByTemplateCount"
           ],
+          "type": "object",
           "x-ms-client-flatten": true
         }
       },
@@ -1410,6 +1415,7 @@
             "triggerOperator",
             "triggerThreshold"
           ],
+          "type": "object",
           "x-ms-client-flatten": true
         }
       },
@@ -1770,6 +1776,7 @@
           "type": "array"
         }
       },
+      "type": "object",
       "required": [
         "value"
       ]