chore(roadmap): fix typo

Pull-Request: libp2p#5732.

Author: lfgtwo

ROADMAP.md

@@ -61,7 +61,7 @@ The project supports Wasm already today, though the developer experience is cumb
 Properly supporting Wasm opens rust-libp2p to a whole new set of use-cases.
 I would love for this to happen earlier.
 Though (a) I think we should prioritize improving existing functionality over new functionality and (b) we don't have high demand for this feature from the community.
-(One could argue that that demand follows this roadmap item and not the other way round.)
+(One could argue that the demand follows this roadmap item and not the other way round.)
 
 ### WebRTC in the browser via WASM