Sync eng/common directory with azure-sdk-tools for PR 12478

[azure-sdk]

Sync eng/common directory with azure-sdk-tools for PR Azure/azure-sdk-tools#12478 See eng/common workflow

[Copilot]

Pull Request Overview

This PR synchronizes the eng/common directory with changes from the azure-sdk-tools repository, specifically consolidating package validation functionality and improving the DevOps workflow integration.

Key Changes:

• Consolidates Validate-Package.ps1 functionality into Validate-All-Packages.ps1 to reduce script calls and improve efficiency
• Converts script-based DevOps work item updates to function-based calls in Prepare-Release.ps1
• Adds new helper functions and global state management for Azure DevOps authentication

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

File	Description
eng/common/scripts/Validate-All-Packages.ps1	Major refactoring to incorporate package validation logic, add new parameters, and include multiple new functions for change log validation, API review verification, and work item management
eng/common/scripts/Prepare-Release.ps1	Updates DevOps work item creation from script call to function call pattern
eng/common/scripts/Helpers/DevOps-WorkItem-Helpers.ps1	Adds new helper functions for authentication, access checks, and work item updates, including global state management
eng/common/pipelines/templates/steps/validate-all-packages.yml	Adds new PackageInfoFiles parameter support and updates parameter definitions with proper typing

[Copilot]

Incorrect variable expansion syntax. The $ should not be inside the braces when referencing $packageInfo.ArtifactName. This should be ${groupId}:$($packageInfo.ArtifactName) for proper string interpolation.

Suggested change

	$fullPackageName = "${groupId}:${$packageInfo.ArtifactName}"
	$fullPackageName = "${groupId}:$($packageInfo.ArtifactName)"

[Copilot]

[nitpick] The condition could be simplified to just if (-not $ProcessedPackageInfoFiles) { since PowerShell treats empty arrays as falsy, making the count check redundant.

Suggested change

	if (-not $ProcessedPackageInfoFiles -or $ProcessedPackageInfoFiles.Count -eq 0) {
	if (-not $ProcessedPackageInfoFiles) {