CI: add a 30-min timeout for BrowserStack (#32238)
CI: add a 30-min timeout for BrowserStack (#32238)


inway/bootstrap,coliff/bootstrap,GerHobbelt/bootstrap,coliff/bootstrap,GerHobbelt/bootstrap,GerHobbelt/bootstrap,inway/bootstrap,twbs/bootstrap,tjkohli/bootstrap,twbs/bootstrap,m5o/bootstrap,m5o/bootstrap,inway/bootstrap,tjkohli/bootstrap