Ashlesha-MSFT

Update build-a-hello-world-web-part.md for SPFx 1.22 gulp to heft mig…

3

## Category - [x] Content fix ## Related issues - closes #10533 ## What's in this Pull Request? Updated SPFx tutorials and documentation to replace the deprecated Gulp-based toolchain with...

> This is a tracker for content updates related to the SPFx v1.22 GA release, which includes the deprecation of the legacy Gulp-based toolchain in favor of the new Heft-based...