fix(util.ts): changes custom type Omit to extend keyof T

Author: waynevanson

src/util.ts

@@ -197,4 +197,4 @@ export function destructurePropsForOptions<T>(
  * Construct a type with the properties of T except for those in type K.
  * Including this allows for backwards compatibility with earlier versions of TS.
  */
-export type Omit<T, K extends keyof any> = Pick<T, Exclude<keyof T, K>>;
+export type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;