DOC: add whatsnew for #GH-26583

Author: nathalier

doc/source/whatsnew/v0.25.0.rst

@@ -427,6 +427,7 @@ Datetimelike
 - Bug in :class:`Series` and :class:`DataFrame` repr where ``np.datetime64('NaT')`` and ``np.timedelta64('NaT')`` with ``dtype=object`` would be represented as ``NaN`` (:issue:`25445`)
 - Bug in :func:`to_datetime` which does not replace the invalid argument with ``NaT`` when error is set to coerce (:issue:`26122`)
 - Bug in adding :class:`DateOffset` with nonzero month to :class:`DatetimeIndex` would raise ``ValueError`` (:issue:`26258`)
+- Bug in :func:`to_datetime` which raises a ``TypeError`` when called with a too long for a given format integer date with ``errors='ignore'``
 
 Timedelta
 ^^^^^^^^^