refactor: Use named exports instead of default exports (#2238)

* use named exports instead of default exports

* fix tests

Co-authored-by: Philipp Kühn <philippkuehn@MacBook-Pro-von-Philipp.local>

packages/core/src/utilities/objectIncludes.ts

@@ -1,11 +1,11 @@
-import isRegExp from './isRegExp'
+import { isRegExp } from './isRegExp'
 
 /**
  * Check if object1 includes object2
  * @param object1 Object
  * @param object2 Object
  */
-export default function objectIncludes(
+export function objectIncludes(
   object1: Record<string, any>,
   object2: Record<string, any>,
   options: { strict: boolean } = { strict: true },