Release v3.3.1

This release fixes bugs introduced with the release of v3.3.0

- We've reverted to VS Code 1.45.1 due to bugs in 1.46 #1667
- Accessing code-server from a web browser on Windows has been fixed #1642
- Search in project has been fixed #1665
- The glibc requirement on static releases has been lowered to v2.19 #1656