Performance fixes

Huge improvements to performance, lowered the amount of time it takes to navigate between pages down from a few seconds to few hundred miliseconds.

What's Changed

• feat: improve perf by @AlemTuzlak in https://github.com/forge-42/react-router-devtools/pull/246

Full Changelog: https://github.com/forge-42/react-router-devtools/compare/v6.1.0...v6.2.0