Fix pydantic adapter model dump to use json mode

[strawgate]

No description provided.

[Copilot]

Pull Request Overview

This PR fixes the Pydantic adapter's model dump method to use JSON serialization mode and increments the package version to reflect this change.

• Updates the model_dump() call to use mode="json" for proper JSON serialization
• Increments the package version from 0.1.1 to 0.1.2

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
src/kv_store_adapter/adapters/pydantic.py	Updates model_dump to use JSON mode for serialization
pyproject.toml	Increments package version to 0.1.2

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