update cfp status color (#1123)

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

README.md

@@ -350,7 +350,7 @@ All the data (past and coming) are available publicly in JSON:
 * 22-23: [CypressConf](https://www.cypress.io/events) - Online <a href="https://forms.gle/Vp7df4UHcCPHL1MCA"><img alt="CFP CypressConf 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2017-April-2024&color=red"></a>
 * 22-25: [PGConf.EU 2024](https://2024.pgconf.eu/) - Athens (Greece) <a href="https://2024.pgconf.eu/call-for-papers/"><img alt="CFP PGConf.EU 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2001-July-2024&color=red"></a>
 * 22-25: [SAS 24](https://thesascon.com/) - Bali (Indonesia) <a href="https://thesascon.com/papers"><img alt="CFP SAS 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2001-August-2024&color=red"></a>
-* 22-25: [Ogun Digital Summit 2024](https://ogundigitalsummit.com/) - Ogun (Nigeria) <a href="https://www.papercall.io/0ds2024"><img alt="CFP Ogun Digital Summit 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2028-August-2024&color=green"></a>
+* 22-25: [Ogun Digital Summit 2024](https://ogundigitalsummit.com/) - Ogun (Nigeria) <a href="https://www.papercall.io/0ds2024"><img alt="CFP Ogun Digital Summit 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2028-August-2024&color=red"></a>
 * 23: [ThunderPlains 2024](https://2024.thunderplainsconf.com) - Oklahoma City, OK (USA) <a href="https://www.papercall.io/thunderplains-2024"><img alt="CFP ThunderPlains 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2031-July-2024&color=red"></a>
 * 23: [Women in Agile](https://www.scrumday.org/) - Madison, WI (USA) <a href="https://sessionize.com/women-in-agile-launching-new-voices5810"><img alt="CFP Women in Agile  - Launching New Voices - Scrum Day 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2021-August-2024&color=red"></a>
 * 23-24: [P99 CONF 2024](https://www.p99conf.io/) - Online <a href="https://sessionize.com/p99-conf-2024"><img alt="CFP P99 CONF 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2015-May-2024&color=red"></a>