[rancid] Arista Spurious Diffs EOS 4.29.2

[heasley]

Tue, Apr 04, 2023 at 07:16:28AM -1000, Steve O'Brien:
> Installed new Arista EOS version and seeing these every run:
> 
> 
> - ! Image: Uptime: 4 days, 18 hours and 50 minutes
> + ! Image: Uptime: 4 days, 19 hours and 50 minutes
>   ! Image: Total memory: 3982764 kB
> - ! Image: Free memory: 2574220 kB
> + ! Image: Free memory: 2573896 kB

Are these coming from show version?  These should already be ignored, but
the "Image: " text is unexpected.  What version of rancid are you running?