servo: Merge #7513 - Upgrade some dependencies to silence warnings (from frewsxcv:bump-no-warnings); r=Ms2ger

In order to pick up these changes:

* servo/euclid#101
* netvl/xml-rs#102
* mozilla/webdriver-rust#17
* servo/surfman#27

Source-Repo: https://github.com/servo/servo
Source-Revision: b7c88dd547c01d99c77c90329cc09f13a90a53b7

UltraBlame original commit: 5cbc0613749c34c6cfb1b95223a695776d5c70f9

Author: marco-c