feat(postman): Update Postman collections across API versions 2.7-2.14 and Unstable (#302)

## Summary
Comprehensive update to Intercom API Postman collections spanning multiple API versions,
including the introduction of API version 2.14 support.

## Changes by Version

### New Addition
- **v2.14**: Added complete Postman collection with environment configuration and documentation
  - `intercom-api.postman_collection.json`: Full API endpoint collection
  - `environment.json`: Pre-configured environment variables
  - `README.md`: Setup and usage documentation

### Updated Versions
- **v2.7** through **v2.13**: Updated existing Postman collections and README files
- **Unstable**: Updated collection to reflect latest API developments

## Impact
These updates ensure that:
- Developers have access to the latest API endpoints and request formats
- Collections are synchronized with current API specifications
- Documentation reflects current authentication methods and best practices
- Environment configurations are optimized for testing workflows

## Technical Details
- Collections follow Postman Collection Format v2.1
- Environment variables support multiple workspace configurations
- Request examples include proper authentication headers
- Response schemas aligned with OpenAPI specifications

## Testing Recommendations
Users should:
1. Import the collection matching their API version
2. Configure environment variables with their API credentials
3. Test endpoints in their preferred order using Postman Runner
4. Refer to version-specific README for migration notes

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-authored-by: Claude <[email protected]>

Author: levindixon

postman/2.10/README.md

@@ -12,4 +12,4 @@ This directory contains the Postman collection for Intercom API version 2.10.
 3. Set your access token in the environment variables
 4. Start making API calls!
 
-Last updated: 2025-04-25T10:49:24.555Z
+Last updated: 2025-08-27T09:13:41.870Z

postman/2.10/intercom-api.postman_collection.json

@@ -8,7 +8,7 @@
       "url": "https://developers.intercom.com"
     },
     "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
-    "updatedAt": "2025-04-25T10:49:24.551Z"
+    "updatedAt": "2025-08-27T09:13:41.867Z"
   },
   "item": [
     {
@@ -7161,7 +7161,7 @@
   "event": [],
   "variable": [
     {
-      "id": "ddfcd9d0-c5e3-4eae-844a-badf27d5a84f",
+      "id": "38750aec-1917-4f4c-945c-2d4a64fa1c50",
       "key": "bearerToken",
       "value": "{{bearerToken}}",
       "type": "string",

postman/2.11/README.md

@@ -12,4 +12,4 @@ This directory contains the Postman collection for Intercom API version 2.11.
 3. Set your access token in the environment variables
 4. Start making API calls!
 
-Last updated: 2025-04-25T10:49:24.812Z
+Last updated: 2025-08-27T09:13:42.038Z

postman/2.11/intercom-api.postman_collection.json

@@ -8,7 +8,7 @@
       "url": "https://developers.intercom.com"
     },
     "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
-    "updatedAt": "2025-04-25T10:49:24.810Z"
+    "updatedAt": "2025-08-27T09:13:42.036Z"
   },
   "item": [
     {
@@ -7248,7 +7248,7 @@
   "event": [],
   "variable": [
     {
-      "id": "367fdd6b-d8af-49af-82be-725e50679c86",
+      "id": "109a9146-30eb-4db4-9c86-f5a964012fda",
       "key": "bearerToken",
       "value": "{{bearerToken}}",
       "type": "string",

postman/2.12/README.md

@@ -12,4 +12,4 @@ This directory contains the Postman collection for Intercom API version 2.12.
 3. Set your access token in the environment variables
 4. Start making API calls!
 
-Last updated: 2025-04-25T10:49:25.046Z
+Last updated: 2025-08-27T09:13:42.191Z

postman/2.12/intercom-api.postman_collection.json

@@ -8,7 +8,7 @@
       "url": "https://developers.intercom.com"
     },
     "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
-    "updatedAt": "2025-04-25T10:49:25.043Z"
+    "updatedAt": "2025-08-27T09:13:42.189Z"
   },
   "item": [
     {
@@ -7753,7 +7753,7 @@
   "event": [],
   "variable": [
     {
-      "id": "6fbd31d5-fc63-4ba8-84fa-5151b5ca7fbe",
+      "id": "8ba2d811-73b8-4785-a0a9-e256111d5e3f",
       "key": "bearerToken",
       "value": "{{bearerToken}}",
       "type": "string",

postman/2.13/README.md

@@ -12,4 +12,4 @@ This directory contains the Postman collection for Intercom API version 2.13.
 3. Set your access token in the environment variables
 4. Start making API calls!
 
-Last updated: 2025-04-25T10:49:25.273Z
+Last updated: 2025-08-27T09:13:42.346Z