build: upgrade to golangci-lint 1.24.0 (#20901)

* accounts/scwallet: remove unnecessary uses of fmt.Sprintf

* cmd/puppeth: remove unnecessary uses of fmt.Sprintf

* p2p/discv5: remove unnecessary use of fmt.Sprintf

* whisper/mailserver: remove unnecessary uses of fmt.Sprintf

* core: goimports -w tx_pool_test.go

* eth/downloader: goimports -w downloader_test.go

* build: upgrade to golangci-lint 1.24.0

p2p/discv5/net.go

@@ -641,7 +641,7 @@ loop:
 	}
 	log.Trace("loop stopped")
 
-	log.Debug(fmt.Sprintf("shutting down"))
+	log.Debug("shutting down")
 	if net.conn != nil {
 		net.conn.Close()
 	}