[3.0][Console] Added isVerbosity* to OutputInterface

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

Now, only `Output` have theses methods. But in the `Command` class, `execute` receive an instance of `OutputInterface`. So, to avoid coding against an implementation, theses method should be added to the interface.