Switch to fixed version of crcmod.
Switch to fixed version of crcmod.

This won't affect anything at present, but will give us a working
wheel for mac-arm64 if that platform is later added to match_tags.

Bug: 1233745
Change-Id: Ib3126d80d488fc9170713482dede666617c23129
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3115585
Auto-Submit: Brian Ryner <388ea68edb4d8f934960c128120aee09a8f854bf@google.com>
Commit-Queue: Dirk Pranke <6693ee08b084bb2ffa767f664c99b689395e0e4b@google.com>
Reviewed-by: Dirk Pranke <6693ee08b084bb2ffa767f664c99b689395e0e4b@google.com>

CoherentLabs/depot_tools,CoherentLabs/depot_tools