servo: Merge #11054 - Update hyper, openssl, wayland, threadpool, offscreen_gl_context (from mbrubeck:always-be-updating); r=Ms2ger

Gets rid of duplicate versions of bitflags and xml-rs!

Source-Repo: https://github.com/servo/servo
Source-Revision: e94f489e55e0fafed1c88b4d8f833f23545fc48b

servo/python/tidy/servo_tidy/tidy.py

@@ -231,7 +231,7 @@ def check_lock(file_name, contents):
         raise StopIteration
 
     # package names to be neglected (as named by cargo)
-    exceptions = ["bitflags", "xml-rs", "lazy_static"]
+    exceptions = ["bitflags", "lazy_static"]
 
     import toml
     content = toml.loads(contents)