[Azure Load Testing] Update sensitive terms with GUID changes

[mitsha-microsoft]

ARM (Control Plane) API Specification Update Pull Request

Applying sensitive terms with GUID changes as part of Content SFI and outlined in Overview - Writing content securely - Platform Manual.

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• New resource provider.
• New API version for an existing resource provider. (If API spec is not defined in TypeSpec, the PR should have been created in adherence to OpenAPI specs PR creation guidance).
• Update existing version for a new feature. (This is applicable only when you are revising a private preview API version.)
• Update existing version to fix OpenAPI spec quality issues in S360.
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  • edit this with your clarification

Due diligence checklist

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• I confirm this PR is modifying Azure Resource Manager (ARM) related specifications, and not data plane related specifications.
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  ARM resource provider contract and
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Additional information

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[openapi-pipeline-app]

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[openapi-pipeline-app]

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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.LoadTestService
Go	sdk/resourcemanager/loadtesting/armloadtesting
go	sdk/resourcemanager/loadtesting/armloadtesting
JavaScript	@azure/arm-loadtesting

[TimLovellSmith]

Please fill in PR template - purpose of PR, due diligence etc