detzip will be used in a patch for the Gerrit bower repository helper, which allows
us to get consistent hashes for the output of fetching the dependencies for the
Bazel build.
Change-Id: I6c87b19815b9d747064108aecbb57ed875d2623b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/251
Reviewed-by: lukegb <lukegb@tvl.fyi>