Update references to Adobe Developer App Builder (#2419)

* Update references to Adobe Developer App Builder

* use https

Co-authored-by: Danni <[email protected]>

Author: ross-pfahler

packages/dev/docs/pages/blog/introducing-react-spectrum.mdx

@@ -130,7 +130,7 @@ function Switch(props) {
 
 [React Spectrum](https://react-spectrum.adobe.com/react-spectrum/index.html) puts all of these pieces together and implements the Adobe-specific styling. It's designed to be adaptive, and works across mouse, touch, and keyboard interactions, on devices of any screen size. It supports [theming](https://react-spectrum.adobe.com/react-spectrum/theming.html), including automatic support for dark mode, and responsive scaling for large hit targets on touch devices.
 
-If you’re integrating with Adobe software or would like an end-to-end component library to use in your project, then React Spectrum is a great place to start. Save time by using [Project Firefly](https://www.adobe.io/apis/experienceplatform/project-firefly.html), our complete framework for building custom cloud-native Adobe apps. Enterprise customers and partners can extend the functionality of Adobe Experience Platform and Adobe Experience Cloud solutions in a custom app that solves specific business and workflow needs. [Sign up](https://adobeio.typeform.com/to/obqgRm) to get access to the Project Firefly developer preview.
+If you’re integrating with Adobe software or would like an end-to-end component library to use in your project, then React Spectrum is a great place to start. Save time by using [Adobe Developer App Builder](https://www.adobe.io/app-builder), our complete framework for building custom cloud-native Adobe apps. Enterprise customers and partners can extend the functionality of Adobe Experience Platform and Adobe Experience Cloud solutions in a custom app that solves specific business and workflow needs.
 
 We’ve designed the APIs in React Spectrum to be easy to use. The following example shows how simple it is to create a select element with support for sections and complex options.