Use config class name in generated connections config class name.

This vastly improves the AttributeError message when using the wrong
name for a connection - without it there's no way to determine which
task had the problem.

python/lsst/pipe/base/config.py

@@ -147,7 +147,7 @@ def __new__(
             configConnectionsNamespace["ConnectionsClass"] = connectionsClass
 
             # Create a new config class with the fields defined above
-            Connections = type("Connections", (pexConfig.Config,), configConnectionsNamespace)
+            Connections = type(f"{name}Connections", (pexConfig.Config,), configConnectionsNamespace)
             # add it to the Config class that is currently being declared
             dct["connections"] = pexConfig.ConfigField(
                 dtype=Connections,