Fix typo in react-19-upgrade-guide.md

Author: sophiebits

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

@@ -740,7 +740,7 @@ const reducer = (state: State, action: Action) => state;
 - **react-dom**: Remove `unstable_flushControlled` [#26397](https://github.com/facebook/react/pull/26397)
 - **react-dom**: Remove `unstable_createEventHandle` [#28271](https://github.com/facebook/react/pull/28271)
 - **react-dom**: Remove `unstable_renderSubtreeIntoContainer` [#28271](https://github.com/facebook/react/pull/28271)
-- **react-dom**: Remove `unstable_runWithPrioirty` [#28271](https://github.com/facebook/react/pull/28271)
+- **react-dom**: Remove `unstable_runWithPriority` [#28271](https://github.com/facebook/react/pull/28271)
 - **react-is**: Remove deprecated methods from `react-is` [28224](https://github.com/facebook/react/pull/28224)
 
 ### Other notable changes {/*other-notable-changes*/}