chore: Upgrade Karma Safari launcher
chore: Upgrade Karma Safari launcher

This newer launcher is based on WebDriver and seems to work better with GitHub Actions.

Change-Id: I8ea0ff5cd1c975179ffe99c04a9c99601815855f

shaka-project/shaka-player,shaka-project/shaka-player,shaka-project/shaka-player,tvoli/shaka-player,tvoli/shaka-player,shaka-project/shaka-player,tvoli/shaka-player,tvoli/shaka-player