Adapt to changes in the API library

[greschd]

Adapt to the change moving the file format definition to enum_types.proto:

Adds an optional argument explicit_value_list to the enum wrapper, which
specifies which of the wrapped values are exposed.

This is used to wrap the enum_types_pb2.FileFormat in different ways, exposing
only the file formats acceptable for a given use.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.06%. Comparing base (9018948) to head (95fb86f).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #580      +/-   ##
==========================================
+ Coverage   92.91%   93.06%   +0.14%     
==========================================
  Files          82       82              
  Lines        4293     4296       +3     
==========================================
+ Hits         3989     3998       +9     
+ Misses        304      298       -6     

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[greschd]

Using a pinned API library version for now; otherwise we'd have to use the --pre flag when installing with pip.

Not sure why this worked previously, could be because we now fully specify the version as 0.2.0.dev0 (instead of 0.2.dev0) in the VERSION file of the API library. Or something changed about how poetry packages the wheel or pip consumes it.

In any case, I think we can switch to proper releases for the API library with the next version bump.