chore: updates httpx and httpcore to unlock PR

Author: baywet

requirements-dev.txt

@@ -23,8 +23,8 @@ frozenlist==1.4.1
 h11==0.14.0
 h2==4.1.0
 hpack==4.0.0
-httpcore==1.0.5
-httpx==0.27.2
+httpcore==1.0.7
+httpx==0.28.0
 hyperframe==6.0.1
 idna==3.10
 importlib-metadata==6.8.0