feat(accordion): outlined and filled designs

[Powerplex]

TASK: #2058

Description, Motivation and Context

• added design prop (outlined | filled)

Types of changes

• [x] ✨ New feature (non-breaking change which adds functionality)
• [x] 💄 Styles

Screenshots - Animations

[codecov[bot]]

Codecov Report

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

Project coverage is 97.56%. Comparing base (fe176ab) to head (0968a8d). Report is 2 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2248 +/- ## ======================================= Coverage 97.56% 97.56% ======================================= Files 760 760 Lines 6007 6008 +1 Branches 2100 2101 +1 ======================================= + Hits 5861 5862 +1 Misses 144 144 Partials 2 2 ```

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