[Backport to v1.5.latest] Restrict protobuf < 5 in v1.5.x branch for adapters #9831
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resolves #9830 in v1.5.x branch
Problem
Currently in production, dbt-core v1.5.10 are using protobuf > 5.x versions ie 5.26.0 which is not compatible with dbt-core as mentioned in #9630. Even though the backports are done for it, but not in the setup.py. Which results into adapter installing protobuf > 5
Solution
Restrict the protobuf in setup.py
Checklist