chore(internal): bump httpx dependency (#95)

Author: stainless-app[bot]

Diff for: requirements-dev.lock

@@ -48,7 +48,7 @@ h11==0.14.0
     # via wsproto
 httpcore==1.0.6
     # via httpx
-httpx==0.27.2
+httpx==0.28.1
     # via browserbase
     # via respx
 idna==3.10
@@ -107,10 +107,14 @@ python-slugify==8.0.4
     # via pytest-playwright
 requests==2.32.3
     # via pytest-base-url
-respx==0.21.1
 rich==13.9.3
 ruff==0.7.1
 selenium==4.25.0
+pytz==2023.3.post1
+    # via dirty-equals
+respx==0.22.0
+setuptools==68.2.2
+    # via nodeenv
 six==1.16.0
     # via python-dateutil
 sniffio==1.3.1

Diff for: requirements.lock

@@ -26,7 +26,7 @@ h11==0.14.0
     # via httpcore
 httpcore==1.0.2
     # via httpx
-httpx==0.25.2
+httpx==0.28.1
     # via browserbase
 idna==3.4
     # via anyio
@@ -38,7 +38,6 @@ pydantic-core==2.27.1
 sniffio==1.3.0
     # via anyio
     # via browserbase
-    # via httpx
 typing-extensions==4.12.2
     # via anyio
     # via browserbase