gh-94345: Correct NEWS wording (RecursionError, not a crash)

asdict()/astuple() on a circular reference raise RecursionError on a
release build, not a segfault; drop the inaccurate crash claim.

Author: iamsharduld

Misc/NEWS.d/next/Library/2026-06-22-18-00-00.gh-issue-94345.Hq3vNb.rst

@@ -1,4 +1,3 @@
 :func:`dataclasses.asdict` and :func:`dataclasses.astuple` now raise
 :exc:`ValueError` when the dataclass instance contains a circular reference,
-instead of recursing until a :exc:`RecursionError` (or crashing on a release
-build).
+instead of recursing until a :exc:`RecursionError`.