update cfp status color (#1150)

Co-authored-by: scraly <[email protected]>

README.md

@@ -327,7 +327,7 @@ All the data (past and coming) are available publicly in JSON:
 * 25-28: [React Advanced London](https://reactadvanced.com/) - London (UK) <a href="https://forms.gle/vs8Qk8BJdSjaLFcB7"><img alt="CFP React Advanced London" src="https://img.shields.io/static/v1?label=CFP&message=until%2010-June-2024&color=red"></a>
 * 26: [BiznagaFest 2024](https://biznagafest.com/) - Malaga (Spain) <a href="https://docs.google.com/forms/d/e/1FAIpQLSdnl1WtSoc45u4H7OGJ-mGsq5iWB5T4GoKQotL2g8iJhJAYvQ/viewform"><img alt="CFP BiznagaFest 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2026-June-2024&color=red"></a>
 * 26: [DevFest Tegucigalpa 2024](https://gdg.community.dev/events/details/google-gdg-tegucigalpa-presents-devfest-tegucigalpa-2024/) - Tegucigalpa (Honduras) <a href="https://sessionize.com/devfest-tegucigalpa-2024"><img alt="CFP DevFest Tegucigalpa 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2020-September-2024&color=red"></a>
-* 26: [Africa DevOps Summit](https://devopssummit.africa/) - Nairobi (Kenya) <a href="https://sessionize.com/africa-devops-summit1"><img alt="CFP Africa DevOps Summit" src="https://img.shields.io/static/v1?label=CFP&message=until%2021-September-2024&color=green"></a>
+* 26: [Africa DevOps Summit](https://devopssummit.africa/) - Nairobi (Kenya) <a href="https://sessionize.com/africa-devops-summit1"><img alt="CFP Africa DevOps Summit" src="https://img.shields.io/static/v1?label=CFP&message=until%2021-September-2024&color=red"></a>
 * 26: [DevFest Nairobi](https://gdg.community.dev/events/details/google-gdg-nairobi-presents-devfest-nairobi-2024/) - Nairobi (Kenya)
 * 26: [Iowa Code Camp Fall 2024](https://iowacodecamp.github.io/) - Ankeny, IA (USA) <a href="https://sessionize.com/iowa-code-camp-fall-2024/"><img alt="CFP Iowa Code Camp Fall 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2030-September-2024&color=green"></a>
 * 26: [Michigan DevFest 2024](https://gdg.community.dev/e/my7hja/) - Detroit, MI (USA) <a href="https://www.papercall.io/midevfest2024"><img alt="CFP Michigan DevFest 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2030-September-2024&color=green"></a>