fix provider type

Author: guillaumemichel

core/node/provider.go

@@ -30,7 +30,7 @@ import (
 const sampledBatchSize = 1000
 
 func ProviderSys(reprovideInterval time.Duration, acceleratedDHTClient bool, provideWorkerCount int) fx.Option {
-	return fx.Provide(func(lc fx.Lifecycle, cr irouting.ProvideManyRouter, keyProvider provider.KeyChanFunc, repo repo.Repo, bs blockstore.Blockstore) (provider.System, error) {
+	return fx.Provide(func(lc fx.Lifecycle, cr irouting.ProvideManyRouter, keyProvider provider.KeyChanFunc, repo repo.Repo, bs blockstore.Blockstore) (provider.Provider, error) {
 		opts := []provider.Option{
 			provider.Online(cr),
 			provider.ReproviderInterval(reprovideInterval),