Release 4.8.3

What's Changed

• Remove mcp-adversarial-suite by @lukehinds in #560
• build(deps): bump astral-sh/setup-uv from 7.1.6 to 7.2.0 by @dependabot[bot] in #561
• docs: add CODE_OF_CONDUCT.md by @ognis1205 in #563
• chore: migrate PostHog to EU host by @scp7 in #540
• docs: add CONTRIBUTING.md by @ognis1205 in #577
• Add DeepFabric dataset generation docs and prompt_style config by @lukehinds in #578
• Introduce prompt_style to configs by @lukehinds in #579

Full Changelog: v4.8.2...v4.8.3