Update grpc to new v1 proto schema

[tsmith023]

This PR updates the underlying gRPC connection to use the latest protobuf files in preparation for the next release

In the process, it refactors the codebase file structure and gRPC generation scripts

[codecov-commenter]

Codecov Report

Attention: 103 lines in your changes are missing coverage. Please review.

Comparison is base (7528726) 94.75% compared to head (db37f72) 94.10%.
Report is 29 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #574      +/-   ##
==========================================
- Coverage   94.75%   94.10%   -0.66%     
==========================================
  Files          70       72       +2     
  Lines        8492     8640     +148     
==========================================
+ Hits         8047     8131      +84     
- Misses        445      509      +64     

Files	Coverage Δ
integration/test_batch.py	98.54% <100.00%> (+0.10%)	⬆️
integration/test_cluster.py	100.00% <100.00%> (ø)
integration/test_crud.py	100.00% <100.00%> (ø)
integration/test_graphql.py	94.44% <100.00%> (+0.29%)	⬆️
integration/test_schema.py	97.54% <100.00%> (+0.17%)	⬆️
test/test_client.py	100.00% <100.00%> (ø)
test/test_embedded.py	97.77% <100.00%> (+0.21%)	⬆️
weaviate/batch/requests.py	100.00% <ø> (ø)
weaviate/client.py	98.66% <100.00%> (ø)
weaviate/connect/authentication.py	96.15% <100.00%> (ø)
... and 9 more

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