chore: move nhedger to core contributors (biomejs#1557)

CONTRIBUTING.md

@@ -408,12 +408,12 @@ Members are listed in alphabetical order. Members are free to use the full name,
 - [Denis Bezrukov @denbezrukov](https:/denbezrukov)
 - [Hiroki Ihoriya @unvalley](https:/unvalley)
 - [Jon Egeland @faultyserver](https:/faultyserver)
+- [Nicolas Hedger @nhedger](https:/nhedger)
 
 ### Maintainers team
 
 - [Arend van Beelen @arendjr](https:/arendjr)
 - [Madeline Gurriarán @SuperchupuDev](https:/SuperchupuDev)
-- [Nicolas Hedger @nhedger](https:/nhedger)
 - [Takayuki Maeda @TaKO8Ki](https:/TaKO8Ki)
 - [Vasu Singh @vasucp1207](https:/vasucp1207)
 - [Victor Teles @victor-teles](https:/victor-teles)