feat(parser): export Pydantic.errors through escape hatch

[heitorlessa]

Issue number: #1687

Summary

Changes

Please provide a summary of what's being changed

This PR exports all errors available in pydantic.errors through parser's pydantic escape hatch.

User experience

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Checklist

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• Meet tenets criteria
• I have performed a self-review of this change
• Changes have been tested
• Changes are documented
• PR title follows conventional commit semantics

Is this a breaking change?

RFC issue number:

Checklist:

• Migration process documented
• Implement warnings (if it can live side by side)

Acknowledgment

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[heitorlessa]

Just read Pydantic V2 plan and the only breaking change it seems to apply here is parse_raw that we use in Parser. I couldn't find a specific mention on errors packaging.

Did the due-diligence and merging since all other maintainers are unavailable.