chore(lint): upgrade linter to v1.56.2

internal/server/helpers.go

@@ -0,0 +1,13 @@
+package server
+
+import (
+	"net/http"
+)
+
+func errMethodNotSupported(w http.ResponseWriter, method string) {
+	http.Error(w, "method "+method+" not supported", http.StatusBadRequest)
+}
+
+func errRouteNotSupported(w http.ResponseWriter, route string) {
+	http.Error(w, "route "+route+" not supported", http.StatusBadRequest)
+}