Changelog tools (#1961)

* Add AzureDataStudio update script

* Copyright headers

* Fix ads updater, add vsix version updater script

* Improve existing scripts, add PSES update script

* Fix param name issue

* Update tools/repoUpdateScripts/updatePsesVersions.ps1

Co-Authored-By: rjmholt <rjmholt@gmail.com>

* Simplify default parameters, move dir

* Give proper names to functions

* Rename functions, fix parameter problems

* Add AzureDataStudio update script

* Copyright headers

* Fix ads updater, add vsix version updater script

* Improve existing scripts, add PSES update script

* Fix param name issue

* Add GitHub release script

* Generalize release script to work with PSES

* Change segment function verb

* Update GH module

* Add requires back in

* Add newlines back in

* Simplify default parameters, move dir

* Give proper names to functions

* Rename functions, fix parameter problems

* Change segment function verb

* Add GH PR/issue fetching

* Initial changelog generation

* Add thanks

* WIP

* Progress

* Add skeleton

* Current

* Update to open both changelogs

* Fix label bug

* Minor fixes -- but still there

* Fix bad project name assignment

* Fix documentation loss

* Fix bugs

* Add verbosity, fix whitespace bugs

* Fix upstream issues

* Add subject polishing, fix date format

* Add auto release name

* Add extension name to PR title

* Fix release name bug

* Update ReleaseName usage

* Fix verbose parameter

* Fix verbose

* Fix branch usage

* Updates

* Fix silliness

* Add changelog emoji

* Update emoji

* Address @TylerLeonhardt's feedback

Author: rjmholt