fix: resolve issue after upgrade firebase_database to ^11.2.0

[Lzyct]

What it does

• update the library version

  dependencies:
    flutter:
      sdk: flutter
    flutter_test:
      sdk: flutter
    firebase_database: ^11.2.0
    mockito: ^5.4.4
    firebase_core_platform_interface: ^5.3.1
  
  dev_dependencies:
    flutter_lints: ^5.0.0

• fix the wrong import path for setupFirebaseCoreMocks method after upgrade firebase_database to ^11.2.0

How to test

1. upgrade your firebase_database version
2. run the test

Screenshot

[sitatec]

LGTM 👍🏾

[lockieRichter]

Thanks for patching this folks, when will this be released on pub.dev?

[sitatec]

Done ✅️

[sitatec]

Thanks @Lzyct

[Lzyct]

Thanks @Lzyct

No credit on changelog? 🫣

[sitatec]

You are mentioned here: https://github.com/sitatec/firebase_database_mocks/releases/tag/v0.7.1
But I also mentioned you in the changelog just now. It will appear in pub.dev changelog page in the next release. 😉