Support HTTPX 0.23.1

[lundberg]

Fixes #221, #222

[codecov-commenter]

Codecov Report

Base: 100.00% // Head: 100.00% // No change to project coverage 👍

Coverage data is based on head (9a21a34) compared to base (bd12f51).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##            master      #223    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files           20        20            
  Lines         2744      2757    +13     
  Branches       301       417   +116     
==========================================
+ Hits          2744      2757    +13     

Impacted Files	Coverage Δ
tests/test_patterns.py	100.00% <ø> (ø)
respx/mocks.py	100.00% <100.00%> (ø)
respx/patterns.py	100.00% <100.00%> (ø)

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.

[g-as]

🎉