Make ComponentMustBeAbstractDetector aware of Anvil Component annotations

[WhosNickDoglio]

Description

Related Issue

Checklist

• [ ] I have made corresponding changes to the documentation
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have mentioned changes in CHANGELOG.md.
• [ ] I have read the CONTRIBUTING document.

PR Stack

• main
  • #260 :point_left:

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 89.47%. Comparing base (72c0e67) to head (c603bb3). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #260 +/- ## ========================================== + Coverage 89.38% 89.47% +0.09% ========================================== Files 20 20 Lines 678 684 +6 Branches 72 72 ========================================== + Hits 606 612 +6 Misses 49 49 Partials 23 23 ```

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