Merge branch '416034-migrate-two-factor-otp-buttons' into 'master'

Use Pajamas button component for button in two_factor_otp.html.haml

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/143267



Merged-by: Pedro Pombeiro <noreply@pedro.pombei.ro>
Approved-by: Rudy Crespo <rcrespo@gitlab.com>
Approved-by: Artur Fedorov <afedorov@gitlab.com>
Approved-by: Pedro Pombeiro <noreply@pedro.pombei.ro>
Co-authored-by: Taras Taday <ttaday@softserveinc.com>