Adds axe-playwright dev dependency

Followed instructions in https://storybook.js.org/docs/writing-tests/accessibility-testing\#automate-accessibility-tests-with-test-runner

Uses axe-playwright v2 reporter

Updated test-runner to support story-specific
a11y rules.

Fix stories by disabling specific axe rules where
tests fail.

use skipRules for link-in-test-block since it
is a known issue
#1646

The removal of the `isNav` prop in
!4652 wasn't
quite correct, and ended up executing behaviour that should have only
happened when `isNav === true`. That is, the click handler should have
been removed entirely.

Addresses #3011

test(accessibility): leverage storybook test runner

Closes #2959

See merge request !4720



Merged-by: Olena Horal-Koretska <ohoralkoretska@gitlab.com>
Approved-by: Enrique Alcántara <ealcantara@gitlab.com>
Approved-by: Paulina Sedlak-Jakubowska <psedlak-jakubowska@gitlab.com>
Approved-by: Olena Horal-Koretska <ohoralkoretska@gitlab.com>
Reviewed-by: Olena Horal-Koretska <ohoralkoretska@gitlab.com>
Reviewed-by: Rahul Chanila <rchanila@gitlab.com>
Co-authored-by: Rahul Chanila <rchanila@gitlab.com>

fix(GlCollapse): Don't close on nav-link clicks

Closes #3011

See merge request !4847



Merged-by: Mark Florian <mflorian@gitlab.com>
Approved-by: Hiru Fernando <hfernando@gitlab.com>
Approved-by: Thomas Hutterer <thutterer@gitlab.com>

## [103.6.1](v103.6.0...v103.6.1) (2024-11-26)

### Bug Fixes

* **GlCollapse:** Don't close on nav-link clicks ([d789933f](d789933f))