chore: Check uv version (#660)

As requested by #648.
I'm not sure if this is too much noise to add for a simple check.

Closes #648

DEVELOPMENT.md

@@ -30,6 +30,9 @@ To setup the environment manually you will need:
 
 - Just: [just.systems](https://just.systems/)
 - uv `>=0.4.27`: [docs.astral.sh](https://docs.astral.sh/uv/getting-started/installation/)
+    * If you have an older manually installed `uv` version you can upgrade it
+      with `uv self update`, or by following the instructions in your package
+      manager.
 
 The extended test suite has additional requirements. These are **optional**; tests that require them will be skipped if they are not installed.