docs: Update targets.mdx fixed a single typo (Middeleware to middleware) (#2047)

Author: real-charlie

docs/app/routes/docs/concepts/targets.mdx

@@ -82,7 +82,7 @@ The `createAnimatedStyle` key of the config object by default takes wraps the `s
 generic rules on applying keys. In the case of `@react-spring/web`, we pass a custom function which is how we support shorthands for
 transformation styles.
 
-The getComponentProps is a middeleware function that allows you to intercept props before they're passed to the animated component, therefore
+The getComponentProps is a middleware function that allows you to intercept props before they're passed to the animated component, therefore
 you could omit props e.g. `scrollTop` for the web because `@react-spring/web` expects this to be in the `style` object.
 
 For more information on `animated` elements, see [here](/docs/concepts/animated-elements).