chore(deps): update jest to v27 (#4472)

Updates jest and ts-jest to v27, as jest v27.1.0 includes a necessary fix to unblock further work on spying issues.

See jestjs/jest#11721

Author: cexbrayat

__tests__/instance.spec.ts

@@ -157,7 +157,7 @@ describe('INSTANCE_EVENT_EMITTER', () => {
   })
 
   it('$off event + fn', () => {
-    const spy2 = jasmine.createSpy('emitter')
+    const spy2 = jest.fn()
     vm.$on('test', spy)
     vm.$on('test', spy2)
     vm.$off('test', spy)