feat: Avoid escaping non-ASCII characters when using json.dumps()

[LTaooo]

Describe your changes

Avoid escaping non-ASCII characters when using json.dumps()

print(json.dumps({'你23实际': '世界速度'})) # output: {"\u4f6023\u5f00\u53d1": "\u4e16\u754c\u957f\u5ea6"}
print(json.dumps({'你23实际': '世界速度'}, ensure_ascii=False)) # output: {"你23实际": "世界速度"}

Issue ticket number and link (if applicable)

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Checklist before requesting a review

• Added relevant tests
• Run ruff & mypy
• All tests pass