Use new response types

[pnwpedro]

Description

• Use new response models with custom deserializers
• Update (simplify!) response building
• Handle non-string abort data
• Handle non-string constraint paths

Motivation and context

BT-5043

• We want to eliminate messing around with json nodes because it's messy and avoid parsing the whole response and reserializing the parts we care about. We were doing it because we needed part of the json tree to go unparsed, but there are ways of doing this via custom deserializers for jackson.
• We weren't handling complex abort data and integer value paths in constraint failures.

How was the change tested?

• Updated existing tests
• Added new tests

Screenshots (if appropriate):

Change types

• • Bug fix (non-breaking change that fixes an issue)
• • New feature (non-breaking change that adds functionality)
• • Breaking change (backwards-incompatible fix or feature)

Checklist:

• • My code follows the code style of this project.
• • My change requires a change to Fauna documentation.
• • My change requires a change to the README, and I have updated it accordingly.

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The base branch was changed.