Merge branch...

Merge branch '434005-include-axe-checks-in-spec-features-issues-issue_sidebar_spec-rb-feature-test' into 'master' 

Add accessibility tests for issue_sidebar_spec

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/142643



Merged-by: Aakriti Gupta <agupta@gitlab.com>
Approved-by: Aakriti Gupta <agupta@gitlab.com>
Approved-by: Rajan Mistry <rmistry@gitlab.com>
Approved-by: Dmytro Biryukov <dbiryukov@gitlab.com>
Co-authored-by: Deepika Guliani <dguliani@gitlab.com>