🏗️(core) migrate from pip to uv

We want to migrate our projects from pip to uv to take the benefits of
the lock file and have reproducible installations.
A first uv.lock file is comitted and the Dockerfile and compose are
modified to work with uv

CHANGELOG.md

@@ -12,6 +12,10 @@ and this project adheres to
 
 - ✨(invitations) can delete domain invitations
 
+## Changed
+
+- 🏗️(core) migrate from pip to uv
+
 ## [1.22.2] - 2026-01-26
 
 ### Fixed