CodeGen from PR 18996 in Azure/azure-rest-api-specs

Migrate to net track2 for some resource-manager readmes (Azure#18996)

* migrate to net track2 for some mgmt RPs

* Update readme.md

sdk/elasticsan/Azure.ResourceManager.ElasticSan/src/autorest.md

@@ -8,7 +8,7 @@ azure-arm: true
 csharp: true
 library-name: elasticsan
 namespace: Azure.ResourceManager.elasticsan
-require: https://github.com/Azure/azure-rest-api-specs/blob/50ed15bd61ac79f2368d769df0c207a00b9e099f/specification/elasticsan/resource-manager/readme.md
+require: https://github.com/Azure/azure-rest-api-specs/blob/a416080c85111fbe4e0a483a1b99f1126ca6e97c/specification/elasticsan/resource-manager/readme.md
 tag: package-2021-11-20-preview
 output-folder: Generated/
 clear-output-folder: true
@@ -47,4 +47,4 @@ directive:
       $.VirtualNetworkRule.properties.state['x-ms-enum']['name'] = 'VirtualNetworkRuleState';
       $.SkuLocationInfo.properties.location['x-ms-format'] = 'azure-location';
 
-```
+```