fix: changed url to a proper one (#1706)

Author: lukKowalski

docs/src/pages/common/interpolation.mdx

@@ -1,6 +1,6 @@
 # Interpolations
 
-🚧 We'd love to add some examples to this, consider submitting a [PR](https://www.github.com/react-spring.io) 🚧
+🚧 We'd love to add some examples to this, consider submitting a [PR](https://github.com/pmndrs/react-spring) 🚧
 
 `value.to` either takes an object of the following shape: