v0.6.18

## What's Changed
* docs: add the mobile-harness agent skill section by @RasulOs in https://github.com/droidrun/mobilerun/pull/425
* fix: honor telemetry config opt-out by @RasulOs in https://github.com/droidrun/mobilerun/pull/427
* docs: add WhatsApp cloud automation demo by @RasulOs in https://github.com/droidrun/mobilerun/pull/429
* docs: add Telegram support badge by @sleynsol in https://github.com/droidrun/mobilerun/pull/433
* docs: replace Duolingo demo with Google Maps demo by @RasulOs in https://github.com/droidrun/mobilerun/pull/434
* feat: migrate to Langfuse v4 and refresh vulnerable dependencies by @RasulOs in https://github.com/droidrun/mobilerun/pull/432
* feat: add latest Gemini, Claude, and GPT models by @RasulOs in https://github.com/droidrun/mobilerun/pull/438
* fix: repair legacy compatibility contracts by @RasulOs in https://github.com/droidrun/mobilerun/pull/439
* chore(release): bump to 0.6.18 by @RasulOs in https://github.com/droidrun/mobilerun/pull/440


**Full Changelog**: https://github.com/droidrun/mobilerun/compare/v0.6.17...v0.6.18