Update French and English announcements in conf.py for clarity and accuracy

Author: PierreRaybaut

doc/conf.py

@@ -187,9 +187,9 @@ def exclude_api_from_gettext(app):
 html_show_sourcelink = False
 templates_path = ["_templates"]
 if "language=fr" in sys.argv:
-    ann = "DataLab a été dévoilé à <a href='https://cfp.scipy.org/2024/talk/G3MC9L/'>SciPy 2024</a> 🐍 et présenté en détails à <a href='https://pretalx.com/pydata-paris-2024/talk/WTDVCC/'>PyData Paris 2024</a>, puis à <a href='https://www.youtube.com/watch?v=lBEu-DeHyz0&list=PLJjbbmRgu6RqGMOhahm2iE6NUkIYIaEDK'>Open Source Experience 2024</a> ! Un cas d'usage avancé de DataLab sera présenté à <a href='outreach/osxp2025.html'>OSXP 2025</a> (11 déc.) 🚀 — <a href='outreach/index.html'>En savoir plus</a>"  # noqa: E501
+    ann = "DataLab a été présenté à <a href='https://cfp.scipy.org/2024/talk/G3MC9L/'>SciPy 2024</a> 🐍, <a href='https://pretalx.com/pydata-paris-2024/talk/WTDVCC/'>PyData Paris 2024</a> et <a href='https://www.youtube.com/watch?v=lBEu-DeHyz0&list=PLJjbbmRgu6RqGMOhahm2iE6NUkIYIaEDK'>OSXP 2024</a> ! Un cas d'usage avancé sera présenté à <a href='https://datalab-platform.com/fr/outreach/osxp2025.html'>OSXP 2025</a> 🚀 — <a href='https://datalab-platform.com/fr/outreach/index.html'>En savoir plus</a>"  # noqa: E501
 else:
-    ann = "DataLab has been introduced at <a href='https://cfp.scipy.org/2024/talk/G3MC9L/'>SciPy 2024</a> 🐍 (Tacoma, WA), presented at <a href='https://pretalx.com/pydata-paris-2024/talk/WTDVCC/'>PyData Paris 2024</a>, and <a href='https://www.opensource-experience.com/'>OSXP 2024</a>! An advanced use case will be presented at <a href='outreach/osxp2025.html'>OSXP 2025</a> (Dec 11) 🚀 — <a href='outreach/index.html'>Learn more</a>"  # noqa: E501
+    ann = "DataLab has been presented at <a href='https://cfp.scipy.org/2024/talk/G3MC9L/'>SciPy 2024</a> 🐍, <a href='https://pretalx.com/pydata-paris-2024/talk/WTDVCC/'>PyData Paris 2024</a>, and <a href='https://www.opensource-experience.com/'>OSXP 2024</a>! An advanced use case will be presented at <a href='https://datalab-platform.com/en/outreach/osxp2025.html'>OSXP 2025</a> 🚀 — <a href='https://datalab-platform.com/en/outreach/index.html'>Learn more</a>"  # noqa: E501
 html_theme_options = {
     "show_toc_level": 2,
     "github_url": "https://github.com/DataLab-Platform/DataLab/",