fix: add ci proxy worker build script #446

Job	Run time
Client lint, build, and tests	40s
Rust lint and unit tests	1m 36s
Packages and VS Code extension	35s
Build integration artifacts	3m 26s
Android emulator integration	6m 14s
WebRTC stream benchmark	3m 58s
CLI simulator integration	7m 1s
JS API simulator integration	4m 27s
	27m 57s

Provide feedback