reintroduce python multipart for formdata (#5068)

pyproject.toml

@@ -32,6 +32,7 @@ dependencies = [
   "psutil >=5.9.4,<8.0",
   "pydantic >=1.10.21,<3.0",
   "python-socketio >=5.7.0,<6.0",
+  "python-multipart >=0.0.20,<1.0",
   "redis >=4.3.5,<6.0",
   "reflex-hosting-cli >=0.1.29",
   "rich >=13.0.0,<14.0",

uv.lock

@@ -1494,6 +1494,7 @@ dependencies = [
     { name = "platformdirs" },
     { name = "psutil" },
     { name = "pydantic" },
+    { name = "python-multipart" },
     { name = "python-socketio" },
     { name = "redis" },
     { name = "reflex-hosting-cli" },
@@ -1547,6 +1548,7 @@ requires-dist = [
     { name = "platformdirs", specifier = ">=3.10.0,<5.0" },
     { name = "psutil", specifier = ">=5.9.4,<8.0" },
     { name = "pydantic", specifier = ">=1.10.21,<3.0" },
+    { name = "python-multipart", specifier = ">=0.0.20,<1.0" },
     { name = "python-socketio", specifier = ">=5.7.0,<6.0" },
     { name = "redis", specifier = ">=4.3.5,<6.0" },
     { name = "reflex-hosting-cli", specifier = ">=0.1.29" },