entgql: add support for clearing non-unique edges

.golangci.yml

@@ -1,6 +1,6 @@
 run:
   go: '1.19'
-  timeout: 3m
+  timeout: 10m
 
 linters-settings:
   gosec:

entgql/internal/todo/ent.graphql

@@ -590,17 +590,18 @@ Input was generated by ent.
 input UpdateCategoryInput {
   text: String
   status: CategoryStatus
-  clearConfig: Boolean
   config: CategoryConfigInput
-  clearDuration: Boolean
+  clearConfig: Boolean
   duration: Duration
-  clearCount: Boolean
+  clearDuration: Boolean
   count: Uint64
-  clearStrings: Boolean
+  clearCount: Boolean
   strings: [String!]
   appendStrings: [String!]
+  clearStrings: Boolean
   addTodoIDs: [ID!]
   removeTodoIDs: [ID!]
+  clearTodos: Boolean
 }
 """
 UpdateTodoInput is used for update Todo object.
@@ -610,27 +611,30 @@ input UpdateTodoInput {
   status: TodoStatus
   priority: Int
   text: String
-  clearInit: Boolean
   init: Map
-  clearParent: Boolean
+  clearInit: Boolean
   parentID: ID
+  clearParent: Boolean
   addChildIDs: [ID!]
   removeChildIDs: [ID!]
-  clearSecret: Boolean
+  clearChildren: Boolean
   secretID: ID
+  clearSecret: Boolean
 }
 """
 UpdateUserInput is used for update User object.
 Input was generated by ent.
 """
 input UpdateUserInput {
   name: String
-  clearPassword: Boolean
   password: String
+  clearPassword: Boolean
   addGroupIDs: [ID!]
   removeGroupIDs: [ID!]
+  clearGroups: Boolean
   addFriendIDs: [ID!]
   removeFriendIDs: [ID!]
+  clearFriends: Boolean
 }
 type User implements Node {
   id: ID!