fixed entry to string

Playbooks/Send-email-with-formatted-incident-report/azuredeploy.json

@@ -18,25 +18,25 @@
     "parameters": {
         "PlaybookName": {
             "defaultValue": "Send-email-with-formatted-incident-report",
-            "type": "String"
+            "type": "string"
         },
         "NotificationEmail": {
             "defaultValue": "<username>@<domain>",
-            "type": "String",
+            "type": "string",
             "metadata": {
                 "description": "Incident details will be sent to this email (ex. soc@xyz.com)"
             }
         },
         "Company logo link": {
             "defaultValue": "https://azure.microsoft.com/svghandler/azure-sentinel",
-            "type": "String",
+            "type": "string",
             "metadata": {
                 "description": "Company logo that will be visible in the incident report (size defined in template) (ex. https://azure.microsoft.com/svghandler/azure-sentinel)"
             }
         },
         "Company name": {
             "defaultValue": "Contoso SOC",
-            "type": "String",
+            "type": "string",
             "metadata": {
                 "description": "Company name that will be visible in the report, you can also add SOC (ex. Contoso SOC)"
             }