fix(terraform): update terraform pagerduty to v2.16.2

| datasource         | package             | from   | to     |
| ------------------ | ------------------- | ------ | ------ |
| terraform-provider | pagerduty/pagerduty | 2.16.0 | 2.16.2 |

infrastructure/pagerduty/providers.tf

@@ -3,7 +3,7 @@ terraform {
   required_providers {
     pagerduty = {
       source  = "pagerduty/pagerduty"
-      version = "2.16.0"
+      version = "2.16.2"
     }
   }
 }