fix(types): fix parameter name in suite definition (#56)

* fix: type defs for a `suite` takes a context

* chore: the context should also probably be a partial

* chore: actually, lets just forward.

src/index.d.ts

@@ -19,5 +19,5 @@ declare namespace uvu {
 type Context = Record<string, any>;
 export const test: uvu.Test<Context>;
 export type Callback<T=Context> = uvu.Callback<T>;
-export function suite<T=Context>(title?: string, suite?: T): uvu.Test<T>;
+export function suite<T=Context>(title?: string, context?: T): uvu.Test<T>;
 export function exec(bail?: boolean): Promise<void>;