0.38.0

Changes

• The Mark File as Viewed and Mark File as Unviewed actions have new icons, and we've generally tried to improve the UX around marking as viewed/unviewed.

  

Fixes

• "We couldn't find an open repository for...". https://github.com/microsoft/vscode-pull-request-github/issues/3242
• Placeholder title when creating a PR does not behave like GitHub website. https://github.com/microsoft/vscode-pull-request-github/issues/2988
• Github.dev: Weird Default Description When Creating PR. https://github.com/microsoft/vscode-pull-request-github/issues/3316
• New pull requests on branches off master try to merge into a wrong branch. https://github.com/microsoft/vscode-pull-request-github/issues/3303