fix: incorrect @sharable definition in federation v2.2

Author: mak626

graphene_federation/apollo_versions/v2_2.py

@@ -1,7 +1,6 @@
 from graphene_directives import CustomDirective, DirectiveLocation
 from graphql import GraphQLDirective
 
-from .v2_0 import shareable_directive as sharable_directive_v2_0
 from .v2_1 import get_directives as get_directives_v2_1
 
 shareable_directive = CustomDirective(
@@ -19,6 +18,6 @@
 def get_directives() -> dict[str, GraphQLDirective]:
     directives = get_directives_v2_1()
     directives.update(
-        {directive.name: directive for directive in [sharable_directive_v2_0]}
+        {directive.name: directive for directive in [shareable_directive]}
     )
     return directives