update cfp status color

README.md

@@ -256,7 +256,7 @@ All the data (past and coming) are available publicly in JSON:
 * 9: [DevFest Karlsruhe](https://gdg.community.dev/events/details/google-gdg-karlsruhe-presents-devfest-2024/) - Karlsruhe (Germany)
 * 9: [DevFest Istanbul](https://dfist.start.page/) - Istanbul (Turkey)
 * 9: [DevFest Montreal 2024](https://devfest.gdgmontreal.com) - Montreal (Canada) <a href="https://www.papercall.io/devfest-2024-mtl"><img alt="CFP DevFest 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2012-October-2024&color=green"></a>
-* 9: [DevFest KC 2024](https://devfestkc.com) - Kansas City, MO (USA) <a href="https://sessionize.com/devfest-kc-2024"><img alt="CFP DevFest KC 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2009-October-2024&color=green"></a>
+* 9: [DevFest KC 2024](https://devfestkc.com) - Kansas City, MO (USA) <a href="https://sessionize.com/devfest-kc-2024"><img alt="CFP DevFest KC 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2009-October-2024&color=red"></a>
 * 9-10: [FOSSCOMM 2024](https://2024.fosscomm.gr/) - Thessaloniki (Greece) <a href="https://2024.fosscomm.gr/call-for-papers/"><img alt="CFP FOSSCOMM 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2015-September-2024&color=red"></a>
 * 9-11: [RustLab 2024](https://rustlab.it) - Florence (Italy) <a href="https://sessionize.com/rustlab-2024"><img alt="CFP RustLab 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2001-May-2024&color=red"></a>
 * 11-12: [WasmCon NA](https://events.linuxfoundation.org/wasmcon/program/cfp/) - Salt Lake City, UT (USA) <a href="https://sessionize.com/cncf-hosted-co-located-events-na-2024"><img alt="CFP KubeCon Colocated event NA 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2008-July-2024&color=red"></a>