feat: Always generate enums with sorted members

end_to_end_tests/golden-record/my_test_api_client/models/an_all_of_enum.py

@@ -2,9 +2,9 @@
 
 
 class AnAllOfEnum(str, Enum):
-    FOO = "foo"
-    BAR = "bar"
     A_DEFAULT = "a_default"
+    BAR = "bar"
+    FOO = "foo"
     OVERRIDDEN_DEFAULT = "overridden_default"
 
     def __str__(self) -> str:

end_to_end_tests/golden-record/my_test_api_client/models/get_location_header_types_string_enum_header.py

@@ -3,8 +3,8 @@
 
 class GetLocationHeaderTypesStringEnumHeader(str, Enum):
     ONE = "one"
-    TWO = "two"
     THREE = "three"
+    TWO = "two"
 
     def __str__(self) -> str:
         return str(self.value)

openapi_python_client/templates/str_enum.py.jinja

@@ -1,7 +1,7 @@
 from enum import Enum
 
 class {{ enum.class_info.name }}(str, Enum):
-    {% for key, value in enum.values.items() %}
+    {% for key, value in enum.values|dictsort(true) %}
     {{ key }} = "{{ value }}"
     {% endfor %}