Add stable 2026-08-01 API version for Microsoft.Security/datascanners

[raniwishahy]

Summary

Adds a new stable 2026-08-01 API version for the Microsoft.Security/datascanners resource provider.

The datascanners API was dropped during the OpenAPI → TypeSpec migration of the Security RP. This PR re-introduces it as a standalone TypeSpec project (DataScannersAPI), kept separate from DefenderForStorageAPI.

Changes

• New TypeSpec project specification/security/resource-manager/Microsoft.Security/Security/DataScannersAPI/:
  • main.tsp, models.tsp, DataScanner.tsp, tspconfig.yaml
  • Microsoft.Security/datascanners proxy resource with a SystemAssigned managed identity and read-only provisioningState
  • Operations matching the service GlobalScannersController: GET/PUT/DELETE at both subscription and resource-group scope, and LIST at subscription scope
  • 7 examples
• Generated stable/2026-08-01/datascanners.json + examples
• Registered DataScannersAPI in suppressions.yaml (FolderStructure, SdkTspConfigValidation), consistent with the other migrated sub-projects
• Wired the package-2026-08 tag in readme.md

Validation

• tsp compile passes with 0 warnings (ARM rulesets)
• tsv (TypeSpecValidation) passes (exit 0)

[github-actions]

Next Steps to Merge

Next steps that must be taken to merge this PR:

• ❌ This PR targets either the main branch of the public specs repo or the RPSaaSMaster branch of the private specs repo. These branches are not intended for iterative development. Therefore, you must acknowledge you understand that after this PR is merged, the APIs are considered shipped to Azure customers. Any further attempts at in-place modifications to the APIs will be subject to Azure's versioning and breaking change policies. Additionally, for control plane APIs, you must acknowledge that you are following all the best practices documented by ARM at aka.ms/armapibestpractices. If you do intend to release the APIs to your customers by merging this PR, add the PublishToCustomers label to your PR in acknowledgement of the above. Otherwise, retarget this PR onto a feature branch, i.e. with prefix release- (see aka.ms/azsdk/api-versions#release--branches).
• ❌ This PR is in purview of the ARM review (label: ARMReview). This PR must get ARMSignedOff label from an ARM reviewer.
  This PR is awaiting ARM reviewer feedback (label: WaitForARMFeedback).
  To learn when this PR will get reviewed, see ARM review queue at aka.ms/azsdk/pr-arm-review
  For details of the ARM review, see aka.ms/azsdk/pr-arm-review
  
• ❌ The required check named TypeSpec Validation has failed. Refer to the check in the PR's 'Checks' tab for details on how to fix it and consult the aka.ms/ci-fix guide

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[github-actions]

API Change Check

APIView identified API level changes in this PR and created the following API reviews

Language	API Review for Package
Swagger	Microsoft.Security-Security
TypeSpec	DataScannersAPI
Go	sdk/resourcemanager/security/armsecurity
Java	com.azure.resourcemanager:azure-resourcemanager-security
Python	azure-mgmt-security
TypeSpec	OperationsAPI
C#	Azure.ResourceManager.SecurityCenter

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