docs(automock): fix typo in code example

`TestBed.create(Service).mock(Dependency)` returns `Override<Dependency>` which has method `using` not `use`

Author: friedbyalice

content/recipes/automock.md

@@ -71,11 +71,11 @@ describe('CatsService unit spec', () => {
   beforeAll(() => {
     const { unit, unitRef } = TestBed.create(CatsService)
       .mock(HttpService)
-      .use({ get: jest.fn() })
+      .using({ get: jest.fn() })
       .mock(Logger)
-      .use({ log: jest.fn() })
+      .using({ log: jest.fn() })
       .mock(CatsDal)
-      .use({ saveCats: jest.fn() })
+      .using({ saveCats: jest.fn() })
       .compile();
 
     underTest = unit;