Fix regex for autogenerate (#262)

Fix an issue where autogenerating a script causes it to not recognize
the correct order of parameters.

Closes: 261

Signed-off-by: Iustin Dumitrescu <[email protected]>

Author: idumitrescu-dn

sqlalchemy_cockroachdb/base.py

@@ -432,9 +432,9 @@ def get_foreign_keys(
                 _,
                 match,
                 _,
-                onupdate,
-                _,
                 ondelete,
+                _,
+                onupdate,
                 deferrable,
                 _,
                 initially,