feat(mobile): make header title bolder · get6pm/6pm@8ffe3c9

Request body: {"token":"***","caller":{"name":"graphite-ci-action","version":"0.0.0"},"context":{"kind":"GITHUB_ACTIONS","repository":{"owner":"get6pm","name":"6pm"},"sha":"8ffe3c94b9e40b5e657f83ba99760a9869dd2ef3","ref":"refs/heads/09-22-feat_mobile_make_header_title_bolder","head_ref":"","run":{"workflow":"Checks","job":"optimize_ci","run":10978859258}}}