refactor: adjust to stricter lint rules

src/routes/http-types.ts

@@ -42,7 +42,7 @@ const httpVerbs = [
 /**
  * Strings that can be used as HTTP verbs (e.g. in requests): 'get' | 'post' | 'put' | 'delete' etc.
  */
-export type HTTPVerb = typeof httpVerbs[number];
+export type HTTPVerb = (typeof httpVerbs)[number];
 
 /**
  * Provides information if a text (representing a method) is an HTTP verb