modernise: Run new gopls modernise tool against the codebase and fix minor issues (#1826)

* modernise: Run new gopls modernise tool against codebase

* Address shazbert's nits

* apichecker, gctcli: Simplify HTML scraping functions and improve depth limit handling

* refactor: Create minSyncInterval const and update order book limit handling for binance and binanceUS

* refactor: Various slice usage improvements and rename TODO

* tranches: Revert deleteByID changes due to performance decrease

Shazbert was a F1 driver in a past lifetime 🏎️

* tranches: Simply retrieve copy

Thanks to shazbert

* documentation: Sort contributors list by contributions

* tranches: Remove deadcode in deleteByID

exchanges/request/client.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"net/http"
 	"net/url"
+	"slices"
 	"sync"
 	"time"
 )
@@ -32,11 +33,11 @@ func (c *clientTracker) checkAndRegister(newClient *http.Client) error {
 	}
 	c.Lock()
 	defer c.Unlock()
-	for x := range c.clients {
-		if newClient == c.clients[x] {
-			return errCannotReuseHTTPClient
-		}
+
+	if slices.Contains(c.clients, newClient) {
+		return errCannotReuseHTTPClient
 	}
+
 	c.clients = append(c.clients, newClient)
 	return nil
 }