build: fix build

packages/api/src/objects/group-members.ts

@@ -97,6 +97,7 @@ builder.mutationField('addGroupMember', (t) =>
       } catch (error: unknown) {
         if (error instanceof PrismaClientKnownRequestError && error.code === 'P2002')
           throw new GraphQLError(`@${uid} est déjà dans ${groupUid}`);
+        throw error;
       }
     },
   }),