fix: avm/utl/types/avm-common-types updates main.json (#4142)

## Description

Updates main.json

Fixes #4141

## Pipeline Reference

| Pipeline |
| -------- |
|          |

## Type of Change


- [ ] Update to CI Environment or utilities (Non-module affecting
changes)
- [x] Azure Verified Module updates:
- [ ] Bugfix containing backwards-compatible bug fixes, and I have NOT
bumped the MAJOR or MINOR version in `version.json`:
- [ ] Someone has opened a bug report issue, and I have included "Closes
#{bug_report_issue_number}" in the PR description.
- [ ] The bug was found by the module author, and no one has opened an
issue to report it yet.
- [ ] Feature update backwards compatible feature updates, and I have
bumped the MINOR version in `version.json`.
- [ ] Breaking changes and I have bumped the MAJOR version in
`version.json`.
  - [ ] Update to documentation

## Checklist

- [x] I'm sure there are no other open Pull Requests for the same
update/change
- [x] I have run `Set-AVMModule` locally to generate the supporting
module files.
- [ ] My corresponding pipelines / checks run clean and green without
any errors or warnings

avm/utl/types/avm-common-types/main.json

@@ -6,7 +6,7 @@
     "_generator": {
       "name": "bicep",
       "version": "0.32.4.45862",
-      "templateHash": "1029853918123623169"
+      "templateHash": "14999467792384745276"
     },
     "name": "Default interface types for AVM modules",
     "description": "This module provides you with all common variants for AVM interfaces to be used in AVM modules.\n\nDetails for how to implement these interfaces can be found in the AVM documentation [here](https://azure.github.io/Azure-Verified-Modules/specs/bcp/res/interfaces/).\n",
@@ -612,8 +612,7 @@
           "type": "string",
           "nullable": true,
           "metadata": {
-            "example": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/myRg",
-            "description": "Optional. The Resource Group the Private Endpoint will be created in. If not specified, the Resource Group of the Subnet is being used."
+            "description": "Optional. The resource ID of the Resource Group the Private Endpoint will be created in. If not specified, the Resource Group of the provided Virtual Network Subnet is used."
           }
         },
         "privateDnsZoneGroup": {
@@ -759,8 +758,7 @@
           "type": "string",
           "nullable": true,
           "metadata": {
-            "example": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/myRg",
-            "description": "Optional. The Resource Group the Private Endpoint will be created in. If not specified, the Resource Group of the Subnet is being used."
+            "description": "Optional. The resource ID of the Resource Group the Private Endpoint will be created in. If not specified, the Resource Group of the provided Virtual Network Subnet is used."
           }
         },
         "privateDnsZoneGroup": {