[3.12] gh-125522: Fix bare except in test_uuid (GH-129018) (#129456)

gh-125522: Fix bare except in `test_uuid` (GH-129018)
(cherry picked from commit a1a4e9f)

Co-authored-by: Tomas R <[email protected]>

Author: miss-islington

Lib/test/test_uuid.py

@@ -19,7 +19,7 @@ def importable(name):
     try:
         __import__(name)
         return True
-    except:
+    except ModuleNotFoundError:
         return False