Bump typing conformance suite SHA (#23951)

Update CONFORMANCE_SUITE_COMMIT from
e6b1896baa7c9bb6ba6e563a66aa1fb717698eb9
to 1df1565c69730d88ce6877009d268ba1d602af1e.

Co-authored-by: Claude <noreply@anthropic.com>

Author: AlexWaygood

.github/workflows/typing_conformance.yaml

@@ -34,7 +34,7 @@ env:
   CARGO_TERM_COLOR: always
   RUSTUP_MAX_RETRIES: 10
   RUST_BACKTRACE: 1
-  CONFORMANCE_SUITE_COMMIT: e6b1896baa7c9bb6ba6e563a66aa1fb717698eb9
+  CONFORMANCE_SUITE_COMMIT: 1df1565c69730d88ce6877009d268ba1d602af1e
   PYTHON_VERSION: 3.12
 
 jobs: