mdp extension HttpResponsePayloadAPISpecValidationFailed

### Describe the bug

Unable to use mdp extension due to backend spec validation errors.

According to ARM API Doc, latest version is 2025-09-20 https://learn.microsoft.com/en-us/rest/api/devopspools/pools/get?view=rest-devopspools-2025-09-20&tabs=HTTP

extension seems to use 2024-10-19

### Related command

az mdp pool list

### Errors

(HttpResponsePayloadAPISpecValidationFailed) Failed to create HTTP response as per the API specification with one or more errors. Please see details for more information. Consider to retry operation with api-versions ''.
Code: HttpResponsePayloadAPISpecValidationFailed
Message: Failed to create HTTP response as per the API specification with one or more errors. Please see details for more information. Consider to retry operation with api-versions ''.
Exception Details: (ObjectMissingRequiredProperty) Missing required property: subnetId. Paths in payload: '$.value[0].properties.fabricProfile.networkProfile.subnetId;$.value[1].properties.fabricProfile.networkProfile.subnetId'
Code: ObjectMissingRequiredProperty
Message: Missing required property: subnetId. Paths in payload: '$.value[0].properties.fabricProfile.networkProfile.subnetId;$.value[1].properties.fabricProfile.networkProfile.subnetId'

### Issue script & Debug output

cli.azure.cli.core.sdk.policies: Request URL: 'https://management.azure.com/subscriptions//providers/Microsoft.DevOpsInfrastructure/pools?api-version=2024-10-19'
cli.azure.cli.core.sdk.policies: Request method: 'GET'
cli.azure.cli.core.sdk.policies: Request headers:
cli.azure.cli.core.sdk.policies: 'Accept': 'application/json'
cli.azure.cli.core.sdk.policies: 'x-ms-client-request-id': 'be97b450-01dd-11f1-a504-000d3a2e80a8'
cli.azure.cli.core.sdk.policies: 'CommandName': 'mdp pool list'
cli.azure.cli.core.sdk.policies: 'ParameterSetName': '--debug'
cli.azure.cli.core.sdk.policies: 'User-Agent': 'AZURECLI/2.83.0 (DEB) azsdk-python-core/1.38.0 Python/3.13.11 (Linux-6.8.0-1030-azure-x86_64-with-glibc2.35)'
cli.azure.cli.core.sdk.policies: 'Authorization': '*****'
cli.azure.cli.core.sdk.policies: Request body:
cli.azure.cli.core.sdk.policies: This request has no body
urllib3.connectionpool: Starting new HTTPS connection (1): management.azure.com:443
urllib3.connectionpool: https://management.azure.com:443 "GET /subscriptions//providers/Microsoft.DevOpsInfrastructure/pools?api-version=2024-10-19 HTTP/1.1" 412 505
cli.azure.cli.core.sdk.policies: Response status: 412
cli.azure.cli.core.sdk.policies: Response headers:
cli.azure.cli.core.sdk.policies: 'Cache-Control': 'no-cache'
cli.azure.cli.core.sdk.policies: 'Pragma': 'no-cache'
cli.azure.cli.core.sdk.policies: 'Content-Length': '505'
cli.azure.cli.core.sdk.policies: 'Content-Type': 'application/json'
cli.azure.cli.core.sdk.policies: 'Expires': '-1'
cli.azure.cli.core.sdk.policies: 'x-ms-ratelimit-remaining-subscription-reads': '249'
cli.azure.cli.core.sdk.policies: 'x-ms-providerhub-traffic': 'True'
cli.azure.cli.core.sdk.policies: 'x-ms-failure-cause': 'provider-api-validation'
cli.azure.cli.core.sdk.policies: 'x-ms-request-id': '26122125-7107-4700-8baa-d084b713d33e'
cli.azure.cli.core.sdk.policies: 'x-ms-correlation-request-id': '44eee4f8-7575-4f98-b688-c59067776b77'
cli.azure.cli.core.sdk.policies: 'x-ms-ratelimit-remaining-subscription-global-reads': '3749'
cli.azure.cli.core.sdk.policies: 'x-ms-routing-request-id': 'WESTEUROPE:20260204T152532Z:44eee4f8-7575-4f98-b688-c59067776b77'
cli.azure.cli.core.sdk.policies: 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains'
cli.azure.cli.core.sdk.policies: 'X-Content-Type-Options': 'nosniff'
cli.azure.cli.core.sdk.policies: 'X-Cache': 'CONFIG_NOCACHE'
cli.azure.cli.core.sdk.policies: 'X-MSEdge-Ref': 'Ref A: E8BE49AE1B4A43E8BDD1E91347DED4F4 Ref B: AMS231020615029 Ref C: 2026-02-04T15:25:32Z'
cli.azure.cli.core.sdk.policies: 'Date': 'Wed, 04 Feb 2026 15:25:32 GMT'
cli.azure.cli.core.sdk.policies: Response content:
cli.azure.cli.core.sdk.policies: {"error":{"code":"HttpResponsePayloadAPISpecValidationFailed","target":"","message":"Failed to create HTTP response as per the API specification with one or more errors. Please see details for more information. Consider to retry operation with api-versions ''.","details":[{"code":"ObjectMissingRequiredProperty","message":"Missing required property: subnetId. Paths in payload: '$.value[0].properties.fabricProfile.networkProfile.subnetId;$.value[1].properties.fabricProfile.networkProfile.subnetId'"}]}}

### Expected behavior

No validation errors on simple retrieval commands

### Environment Summary

azure-cli 2.83.0

core 2.83.0
telemetry 1.1.0

Extensions:
mdp 1.0.1

Dependencies:
msal 1.35.0b1
azure-mgmt-resource 23.3.0

Python location '/opt/az/bin/python3'
Config directory '/home/vscode/.azure'
Extensions directory '/home/vscode/.azure/cliextensions'

Python (Linux) 3.13.11 (main, Jan 27 2026, 07:21:51) [GCC 11.4.0]

Legal docs and information: aka.ms/AzureCliLegal

Your CLI is up-to-date.

### Additional context

_No response_