v1.6.0-rc4

What's Changed

• [mask-detection] add onnx missing requirements by @aviaIguazio in #534
• [Stocks] set number of stocks in project params by @aviaIguazio in #538
• [Stocks] increase serving readinessTimeoutSeconds time out by @aviaIguazio in #540
• 1.5.x dev by @aviaIguazio in #542
• 1.6.x dev by @aviaIguazio in #543

Full Changelog: v1.6.0-rc3...v1.6.0-rc4