ccxt v4.5.69：修复多处交易所问题，新增Nado交易所

What's Changed

• fix(website): resolve sharp/libvips GHSA-f88m-g3jw-g9cj by pinning sharp to 0.35.0 by @kroitor with @Copilot in #29287
• fix(playground): pin sharp to 0.35.0 for libvips CVE remediation by @kroitor with @Copilot in #29288
• fix: broken urls by @ttodua in #29291
• chore(deps): bump next from 16.2.6 to 16.2.11 in /website by @dependabot[bot] in #29293
• fix: rootDir paths by @ttodua in #29292
• chore(deps): bump next from 16.2.6 to 16.2.11 in /examples/ts/nextjs-page-router by @dependabot[bot] in #29295
• fix(phemex): round spot order quantities to market precision before Ev scaling by @g0rdonL in #29294
• fix(weex): scale ticker percentage by @Shiven0504 in #29299
• golang http.Transport is not reused for proxies, huge leak by @thebocher in #29300
• fix(lbank): parse swap ticker timestamp by @mavlevich in #29303
• fix(build): reclaim playground box disk before deploy, not only after success by @pcriadoperez in #29301
• chore(deps): bump postcss from 8.5.15 to 8.5.18 in /website by @dependabot[bot] in #29306
• Align Docker image idna pin with project metadata by @kroitor with @Copilot in #29307
• fix(build): restore arm64 development image by @mavlevich in #29305
• refactor(js): safestring optimization by @ttodua in #29296
• fix(future): nativeRejectionHandled by @carlosmiei in #29322
• feat(myriad): update fetchEvent(s) for ob events, add static tests by @Dan-krm in #29297
• feat(playground): add Polymarket prediction example by @pcriadoperez in #29224
• perf(js): safe function consistency by @ttodua in #29313
• fix(htx): cap fetchFundingRateHistory limit at 100 for linear swaps by @rayBastard in #29325
• feat(nado): new exchange by @sc0Vu in #28800

New Contributors

• @g0rdonL made their first contribution in #29294
• @thebocher made their first contribution in #29300
• @mavlevich made their first contribution in #29303

Full Changelog: v4.5.68...v4.5.69