Fix link to the devel mailing list

Signed-off-by: Dylan Aïssi <dylan.aissi@collabora.com>

content/policies/community.md

 +++
 date = "2019-11-15"
+lastmod = "2024-06-28"
 weight = 100
 
 title = "Community"
@@ -19,10 +20,10 @@ The best ways to get in touch with the community are through:
 
   - [Mailing lists](https://lists.apertis.org/)
       - The [devel mailing
-        list](https://lists.apertis.org/listinfo/devel) is the place to
-        discuss Apertis development and project
+        list](https://lists.apertis.org/postorius/lists/devel.lists.apertis.org/)
+        is the place to discuss Apertis development and project.
       - If you are interested in adding a new mailing list, please
-        contact *listmaster at apertis.org*
+        contact *listmaster at apertis.org*.
 
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