Update from upstream

Summary: Pulls in updates from python/typing#2095: some test changes that improve our conformance a bit, plus a pyrefly.toml file so that pyrefly can't pick up a stray config file and do interesting things.

Reviewed By: yangdanny97

Differential Revision: D84370023

fbshipit-source-id: 0e8d70a00db73469b6e13812f8cf5920090b0e73

Author: rchen152

conformance/third_party/annotations_forward_refs.py

@@ -19,8 +19,8 @@ def func1(
     assert_type(p4, list[ClassA | int])
 
 
-bad1: ClassA  # E: Runtime error: requires quotes
-bad2: list[ClassA]  # E: Runtime error: requires quotes
+bad1: ClassA  # E?: Runtime error prior to 3.14: requires quotes
+bad2: list[ClassA]  # E?: Runtime error prior to 3.14: requires quotes
 bad3: "ClassA" | int  # E: Runtime error
 bad4: int | "ClassA"  # E: Runtime error
 
@@ -63,7 +63,7 @@ def invalid_annotations(
 
 
 class ClassB:
-    def method1(self) -> ClassB:  # E: Runtime error
+    def method1(self) -> ClassB:  # E?: Runtime error prior to 3.14
         return ClassB()
 
     def method2(self) -> "ClassB":  # OK