fix: @testing-library/react-native links (#7124)

* fix: `@testing-library/react-native` links

* Apply suggestions from code review

---------

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

src/content/blog/2024/04/25/react-19-upgrade-guide.md

@@ -353,7 +353,7 @@ npm install react-shallow-renderer --save-dev
 
 ##### Please reconsider shallow rendering {/*please-reconsider-shallow-rendering*/}
 
-Shallow rendering depends on React internals and can block you from future upgrades. We recommend migrating your tests to [@testing-library/react](https://testing-library.com/docs/react-testing-library/intro/) or [@testing-library/react-native](https://callstack.github.io/react-native-testing-library/docs/getting-started). 
+Shallow rendering depends on React internals and can block you from future upgrades. We recommend migrating your tests to [@testing-library/react](https://testing-library.com/docs/react-testing-library/intro/) or [@testing-library/react-native](https://testing-library.com/docs/react-native-testing-library/intro). 
 
 </Note>
 
@@ -524,7 +524,7 @@ We are deprecating `react-test-renderer` because it implements its own renderer
 
 The test renderer was created before there were more viable testing strategies available like [React Testing Library](https://testing-library.com), and we now recommend using a modern testing library instead.
 
-In React 19, `react-test-renderer` logs a deprecation warning, and has switched to concurrent rendering. We recommend migrating your tests to [@testing-library/react](https://testing-library.com/docs/react-testing-library/intro/) or [@testing-library/react-native](https://callstack.github.io/react-native-testing-library/docs/getting-started) for a modern and well supported testing experience.
+In React 19, `react-test-renderer` logs a deprecation warning, and has switched to concurrent rendering. We recommend migrating your tests to [@testing-library/react](https://testing-library.com/docs/react-testing-library/intro/) or [@testing-library/react-native](https://testing-library.com/docs/react-native-testing-library/intro) for a modern and well supported testing experience.
 
 ## Notable changes {/*notable-changes*/}