update cfp status color (#988)

Co-authored-by: scraly <2543381+scraly@users.noreply.github.com>

README.md

@@ -312,7 +312,7 @@ All the data (past and coming) are available publicly in JSON:
 * 10-11: [DevOpsDays Nashville 2024](https://devopsdays.org/events/2024-nashville/welcome/) - Nashville, TN (USA) <a href="https://www.papercall.io/devopsdays-nashville-2024"><img alt="CFP DevOpsDays Nashville 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2031-May-2024&color=green"></a>
 * 10-11: [DevOpsDays Taipei](https://devopsdays.tw/2024/) - Taipei (Taiwan) <a href="https://devopsdays.tw/2024/CFP/"><img alt="CFP DevOpsDays Taipei" src="https://img.shields.io/static/v1?label=CFP&message=until%2019-April-2024&color=red"></a>
 * 12: [BSidesPGH 2024](https://bsidespgh.com) - Pittsburgh (USA) <a href="https://sessionize.com/bsidespgh-2024/"><img alt="CFP BSidesPGH 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2019-May-2024&color=green"></a>
-* 12-15: [Toronto Machine Learning Summit 2024](https://www.torontomachinelearning.com/) - Toronto (Canada) <a href="https://sessionize.com/toronto-machine-learning-summit-2024"><img alt="CFP Toronto Machine Learning Summit 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2024-May-2024&color=green"></a>
+* 12-15: [Toronto Machine Learning Summit 2024](https://www.torontomachinelearning.com/) - Toronto (Canada) <a href="https://sessionize.com/toronto-machine-learning-summit-2024"><img alt="CFP Toronto Machine Learning Summit 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2024-May-2024&color=red"></a>
 * 13: [CajuSEC](https://www.cajusec.com.br/) - Aracaju (Brazil) <a href="https://www.papercall.io/cajusec"><img alt="CFP CajuSEC" src="https://img.shields.io/static/v1?label=CFP&message=until%2005-May-2024&color=green"></a>
 * 13: [API Conf Lagos 2024](https://apiconf.net/) - Lagos (Nigeria) <a href="https://sessionize.com/api-conf-lagos-2024/"><img alt="CFP API Conf Lagos 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2030-April-2024&color=red"></a>
 * 13: [AWS Community Day Cameroon 2024](https://www.communityday.awsugcmr.com/) - Douala (Cameroon) <a href="https://sessionize.com/aws-community-day-cameroon-2024"><img alt="CFP AWS Community Day Cameroon 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2015-June-2024&color=green"></a>