gh-145846: Fix NEWS entry to use double backticks for _lsprof

Author: raminfp

Misc/NEWS.d/next/Library/2026-03-12-00-00-00.gh-issue-145846.UbHxjv.rst

@@ -1,3 +1,3 @@
-Fix memory leak in :mod:`_lsprof` when ``clear()`` is called during active
+Fix memory leak in ``_lsprof`` when ``clear()`` is called during active
 profiling with nested calls. ``clearEntries()`` now walks the entire
 ``currentProfilerContext`` linked list instead of only freeing the top context.