Bump version to 0.34.0 & prepare changelog (microsoft#1007)

Prepare hotfix release 0.33.1 (microsoft#996)

Fix: the variable formatter menus not enabled if no launch.json exists (

microsoft#990)

Prepare 0.32.1 release (microsoft#971)

bump version 0.32.0 (microsoft#961)

* bump version 0.32.0

Prepare new release 0.31.0 (microsoft#943)

Remove --info-verbosity args since webpack-cli@4.x no longer supports…

… it (microsoft#925)

Prepare changelog for 0.29.0 (microsoft#895)

Prepare changelog for 0.28.0 (microsoft#870)

* Prepare changelog for 0.28.0

* Update CHANGELOG.md

* Update release date

Bump version to 0.27.1 (microsoft#851)

Signed-off-by: Jinbo Wang <jinbwan@microsoft.com>