Bug 1656395: Update to tracy-rs 0.1.2. r=gw
Bug 1656395: Update to tracy-rs 0.1.2. r=gw

This version of `tracy-rs` adds the `text:` option to the `profile_scope!`
macro.

Differential Revision: https://phabricator.services.mozilla.com/D85509

[ghsync] From https://hg.mozilla.org/mozilla-central/rev/8c5cac01426dd1f34c3f8de5cfa93180ef849129

servo/webrender,servo/webrender,servo/webrender,servo/webrender,servo/webrender,servo/webrender