Amend NEWS entries for PRs GH-139553 and GH-142790 (#143329)

diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2025-10-04-20-48-02.gh-issue-63016.EC9QN_.rst b/Misc/NEWS.d/next/Library/2025-10-04-20-48-02.gh-issue-63016.EC9QN_.rst
similarity index 100%
rename from Misc/NEWS.d/next/Core_and_Builtins/2025-10-04-20-48-02.gh-issue-63016.EC9QN_.rst
rename to Misc/NEWS.d/next/Library/2025-10-04-20-48-02.gh-issue-63016.EC9QN_.rst
diff --git a/Misc/NEWS.d/next/Library/2025-12-16-14-49-19.gh-issue-142783.VPV1ig.rst b/Misc/NEWS.d/next/Library/2025-12-16-14-49-19.gh-issue-142783.VPV1ig.rst
index f014771..db6de6e 100644
--- a/Misc/NEWS.d/next/Library/2025-12-16-14-49-19.gh-issue-142783.VPV1ig.rst
+++ b/Misc/NEWS.d/next/Library/2025-12-16-14-49-19.gh-issue-142783.VPV1ig.rst
@@ -1 +1,3 @@
-Fix zoneinfo use-after-free with descriptor _weak_cache. a descriptor as _weak_cache could cause crashes during object creation. The fix ensures proper reference counting for descriptor-provided objects.
+:mod:`zoneinfo`: fix a use-after-free crash when instantiating
+:class:`~zoneinfo.ZoneInfo` objects with an invalid ``_weak_cache``
+descriptor.