fix(Tailwind): fix gl-shadow-inner-b-border class shadow

mentioned in commit 5db1e111

mentioned in merge request gitlab-org/frontend/playground/accessibility-scanner!58 (merged)

mentioned in merge request status-page!903

mentioned in merge request gitlab!174711 (merged)

mentioned in merge request gitlab!174879 (merged)

mentioned in merge request gitlab!174890 (closed)

mentioned in merge request gitlab-org/editor-extensions/gitlab-jetbrains-plugin!1361 (closed)

mentioned in merge request gitlab!174941 (closed)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!4209 (closed)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!4210 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!4211 (closed)

mentioned in merge request gitlab-org/editor-extensions/gitlab-jetbrains-plugin!1407 (closed)

mentioned in merge request gitlab-org/frontend/pajamas-adoption-scanner!358 (closed)

mentioned in merge request gitlab-org/frontend/pajamas-adoption-scanner!359 (merged)

mentioned in merge request gitlab-org/editor-extensions/gitlab-jetbrains-plugin!1446 (closed)