Add whats-new

Author: dcherian

doc/whats-new.rst

@@ -37,6 +37,8 @@ Bug fixes
 
 - Fix bug causing `DataTree.from_dict` to be sensitive to insertion order (:issue:`9276`, :pull:`9292`).
   By `Tom Nicholas <https://github.com/TomNicholas>`_.
+- Fix resampling with cftime when the time vector contains the "0001-01-01" date. (:issue:`9108`, :pull:`9116`)
+  By `Spencer Clark <https://github.com/spencerkclark>`_ and `Deepak Cherian <https://mygithub.libinneed.workers.dev.dcherian>`_.
 
 Documentation
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