Sync eng/common directory with azure-sdk-tools for PR 1303 (#18684)
Sync eng/common directory with azure-sdk-tools for PR 1303 (#18684)

* Add PrepareRelease Script

* Update Package-Properties.ps1

* Update Collect-ChangeLog Script

* Update Collect-ChangeLog.ps1 and Collect-Unreleased.ps1

* Update GeneralReleaseNotesParser.ps1 script

* Change GeneralReleaseNotesParser logic

* Change GeneralReleaseNotesParser.ps1 logic

* Remoce GeneralReleaseNotesParsercopy

* Update collect changelog and generalreleasenotes parser logic

* Refine CollectChangelog Logic

* Add logic for filtering collected changelog

* Add Filter-ReleaseHighlights function

* Update General ReleasNotes Logic

* Delete GeneralReleaseNotesLogic.ps1

* Update Collect ChangeLogLogic

Co-authored-by: Chidozie Ononiwu <301d19fba573b360a93464351d7ca3ed97357016@microsoft.com>
ayeletshpigelman/azure-sdk-for-net,ayeletshpigelman/azure-sdk-for-net,ayeletshpigelman/azure-sdk-for-net,AsrOneSdk/azure-sdk-for-net,AsrOneSdk/azure-sdk-for-net,jackmagic313/azure-sdk-for-net,yugangw-msft/azure-sdk-for-net,jackmagic313/azure-sdk-for-net,yugangw-msft/azure-sdk-for-net,AsrOneSdk/azure-sdk-for-net,jackmagic313/azure-sdk-for-net,jackmagic313/azure-sdk-for-net,yugangw-msft/azure-sdk-for-net,ayeletshpigelman/azure-sdk-for-net,jackmagic313/azure-sdk-for-net,AsrOneSdk/azure-sdk-for-net