b4b: Update to cime version that fixes the check_input_data --download issue

[ekluzek]

Description of changes

Just updates to the cime branch that fixes the check_input_data --download issue.

Specific notes

Contributors other than yourself, if any: @jedwards4b

CTSM Issues Fixed (include github issue #):

Are answers expected to change (and if so in what way)? No

Any User Interface Changes (namelist or namelist defaults changes)? No

Does this create a need to change or add documentation? Did you do so? No No

Testing performed, if any: Tried check_input_data --download on Izumi on the Ciso answer changing branch to show it could successfully retrieve the missing carbon isotope files