⬆️Upgrade UV to 0.8.X (#8232)

Author: sanderegg

.github/actions/setup-simcore-env/action.yml

@@ -10,7 +10,7 @@ inputs:
   uv-version:
     description: 'UV version to use'
     required: false
-    default: '0.7.x'
+    default: '0.8.x'
 
   cache-dependency-glob:
     description: 'Glob pattern for cache dependency files'