Bump mocktail from 0.3.0 to 1.0.0

Bumps [mocktail](https://github.com/felangel/mocktail) from 0.3.0 to 1.0.0.
- [Release notes](https://github.com/felangel/mocktail/releases)
- [Commits](felangel/mocktail@mocktail-v0.3.0...mocktail-v1.0.0)

---
updated-dependencies:
- dependency-name: mocktail
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

pubspec.yaml

@@ -30,6 +30,6 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
   meta: ^1.9.1
-  mocktail: ^0.3.0
+  mocktail: ">=0.3.0 <2.0.0"
 
 flutter: null