DOC: add whatsnew entry

Author: hasB4K

doc/source/whatsnew/v1.1.0.rst

@@ -574,6 +574,7 @@ Timedelta
 - Timedeltas now understand ``µs`` as identifier for microsecond (:issue:`32899`)
 - :class:`Timedelta` string representation now includes nanoseconds, when nanoseconds are non-zero (:issue:`9309`)
 - Bug in comparing a :class:`Timedelta`` object against a ``np.ndarray`` with ``timedelta64`` dtype incorrectly viewing all entries as unequal (:issue:`33441`)
+- Bug in :meth:`timedelta_range` that produced an extra point on a edge case (:issue:`30353`, :issue:`33498`)
 
 Timezones
 ^^^^^^^^^