update cfp status color (#1853)

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

Author: scraly

README.md

@@ -86,7 +86,7 @@ All the data (past and coming) are available publicly in JSON:
 * 9: [PyData Eindhoven 2025](https://pydata.org/eindhoven2025) - Eindhoven (Netherlands) <a href="https://cfp.pydata.org/pydata-eindhoven-2025/cfp"><img alt="CFP PyData Eindhoven 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2012-October-2025&color=red"></a>
 * 9-11: [APIdays Paris](https://www.apidays.global/paris/) - Paris (France) <a href="https://apidays.typeform.com/to/ILJeAaV8"><img alt="CFP API Days Paris" src="https://img.shields.io/static/v1?label=CFP&message=until%2009-November-2025&color=red"></a>
 * 9-11: [PyData Global 2025](https://pydata.org/global2025/) - Online <a href="https://cfp.pydata.org/pydataglobal2025/cfp"><img alt="CFP PyData Global 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2028-July-2025&color=red"></a>
-* 9-11: [Green IO Paris](https://greenio.tech/conference/17/paris-2025-december) - Paris (France) <a href="https://apidays.typeform.com/to/SMHd2wFE?=green-io-conference%3Dcall-for-speakers&typeform-source=greenio.tech"><img alt="CFP Green IO Paris 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2009-December-2025&color=green"></a>
+* 9-11: [Green IO Paris](https://greenio.tech/conference/17/paris-2025-december) - Paris (France) <a href="https://apidays.typeform.com/to/SMHd2wFE?=green-io-conference%3Dcall-for-speakers&typeform-source=greenio.tech"><img alt="CFP Green IO Paris 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2009-December-2025&color=red"></a>
 * 10: [Linux Kernel Maintainer Summit](https://events.linuxfoundation.org/linux-kernel-maintainer-summit/) - Tokyo (Japan)
 * 10-11: [Devops REX](https://www.devopsrex.fr/) - Paris (France) <a href="https://talks.devopsdays.org/devops-rex-2025/cfp"><img alt="CFP Devops REX 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2016-June-2025&color=red"></a>
 * 10-11: [Open Source Experience](https://www.opensource-experience.com) - Paris (France)