chore(mocktail): depend on pkg:test_api for Fake (#210)

Author: felangel

packages/mocktail/lib/mocktail.dart

@@ -2,7 +2,8 @@
 /// with null safety support and no manual mocks or code generation.
 library mocktail;
 
-export 'src/fake.dart' show Fake;
+// ignore: deprecated_member_use
+export 'package:test_api/fake.dart' show Fake;
 export 'src/mocktail.dart'
     show
         Mock,

packages/mocktail/lib/src/fake.dart

@@ -11,7 +11,8 @@ environment:
 dependencies:
   collection: ^1.15.0
   matcher: ^0.12.15
+  test_api: '>=0.2.1 <0.7.0'
 
 dev_dependencies:
-  meta: ^1.3.0
+  meta: ^1.10.0
   test: ^1.24.6