[Epic] Build infrastructure improvements

This issue collects all the individual issues for improvements that we want to do moving forward to our infrastructure.

### Repo dev and contributor experience
- [x] VS Code and VS 4 Mac experience. https://github.com/dotnet/aspnetcore/issues/27260
- [ ] Updating public API files outside of Visual Studio. https://github.com/dotnet/aspnetcore/issues/27605
- [x] Remove top-level build scripts in favor of area-specific build scripts (#27631)
- [ ] Reduce E2E test dependencies. https://github.com/dotnet/aspnetcore/issues/27610
- [ ] Add git pre-commit hooks for applying formatting to source (#27632)
- [ ] Dynamically acquire dependencies needed for each project #27633
- [ ] Improve experience for working with individual projects in the monorepo #27634

### Complete Helix migration
- [ ] Run hosting functional tests on Helix. https://github.com/dotnet/aspnetcore/issues/8247
- [x] Run Components end to end tests on Helix. https://github.com/dotnet/aspnetcore/issues/6857

### Codebase quality improvements
- [ ] Regularly update our JavaScript dependencies to the latest versions https://github.com/dotnet/aspnetcore/issues/29925
- [ ] Enable more code analyzers for the product. https://github.com/dotnet/aspnetcore/issues/24055
* The person working on this will drive the effort, which consists of choosing an initial set of analyzers to enable.
- [x] Change default server for samples from IIS Express to Kestrel (#27630)

### Testing reliability reporting tool
- [ ] ~Bring back what's broken in some shape or form. https://github.com/dotnet/aspnetcore/issues/27606~

### Performance readiness
- [x] Ensure our microbenchmarks can run. https://github.com/dotnet/aspnetcore/issues/27607

### Infrastructure code duplication removal
- [x] Unify test/publish for helix/local scenarios https://github.com/dotnet/aspnetcore/issues/27296

### Engineering system
- [ ] Consider adding a shipping package baseline test https://github.com/dotnet/aspnetcore/issues/28129

### Misc
- [x] Switch to MIT license https://github.com/dotnet/aspnetcore/issues/18873