fix: remove recursive type reference in vitest types (#636)

Author: G-Rath

types/vitest.d.ts

@@ -1,15 +1,15 @@
-import {type expect} from 'vitest'
+
 import {type TestingLibraryMatchers} from './matchers'
 
 declare module 'vitest' {
   interface Assertion<T = any>
     extends TestingLibraryMatchers<
-      ReturnType<typeof expect.stringContaining>,
+      any,
       T
     > {}
   interface AsymmetricMatchersContaining
     extends TestingLibraryMatchers<
-      ReturnType<typeof expect.stringContaining>,
+      any,
       any
     > {}
 }