Update remaining Context references to match the new nullable context

Author: aryaemami59

docs/rtk-query/usage/customizing-create-api.mdx

@@ -35,7 +35,7 @@ import {
   reactHooksModule,
 } from '@reduxjs/toolkit/query/react'
 
-const MyContext = React.createContext<ReactReduxContextValue>(null as any)
+const MyContext = React.createContext<ReactReduxContextValue | null>(null)
 const customCreateApi = buildCreateApi(
   coreModule(),
   reactHooksModule({

packages/toolkit/etc/rtk-query-react.api.md

@@ -72,7 +72,7 @@ export function ApiProvider<A extends Api<any, {}, any, any>>(props: {
   children: any
   api: A
   setupListeners?: Parameters<typeof setupListeners>[1]
-  context?: Context<ReactReduxContextValue>
+  context?: Context<ReactReduxContextValue | null>
 }): JSX.Element
 
 // @public (undocumented)

packages/toolkit/src/query/createApi.ts

@@ -233,7 +233,7 @@ export type CreateApi<Modules extends ModuleName> = {
  *
  * @example
  * ```ts
- * const MyContext = React.createContext<ReactReduxContextValue>(null as any);
+ * const MyContext = React.createContext<ReactReduxContextValue | null>(null);
  * const customCreateApi = buildCreateApi(
  *   coreModule(),
  *   reactHooksModule({

packages/toolkit/src/query/react/module.ts

@@ -124,7 +124,7 @@ export interface ReactHooksModuleOptions {
  *
  *  @example
  * ```ts
- * const MyContext = React.createContext<ReactReduxContextValue>(null as any);
+ * const MyContext = React.createContext<ReactReduxContextValue | null>(null);
  * const customCreateApi = buildCreateApi(
  *   coreModule(),
  *   reactHooksModule({