chore(deps): update dependency @reduxjs/toolkit to v2 (#2369)

* fix(deps): update dependency @reduxjs/toolkit to v2

* chore: minor updates to work with RTK version 2

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Braden MacDonald <braden@opencraft.com>

src/optimizer-page/data/slice.test.ts

@@ -1,5 +1,11 @@
-import { AnyAction, configureStore, ThunkMiddleware } from '@reduxjs/toolkit';
-import { ToolkitStore } from '@reduxjs/toolkit/dist/configureStore';
+import {
+  configureStore,
+  type EnhancedStore,
+  type StoreEnhancer,
+  type ThunkDispatch,
+  type Tuple,
+  type UnknownAction,
+} from '@reduxjs/toolkit';
 import {
   CourseOptimizerState,
   reducer,
@@ -19,7 +25,9 @@ import {
 } from './slice';
 
 describe('courseOptimizer slice', () => {
-  let store: ToolkitStore<CourseOptimizerState, AnyAction, [ThunkMiddleware<CourseOptimizerState, AnyAction>]>;
+  let store: EnhancedStore<CourseOptimizerState, UnknownAction, Tuple<[StoreEnhancer<{
+    dispatch: ThunkDispatch<CourseOptimizerState, undefined, UnknownAction>;
+  }>, StoreEnhancer]>>;
 
   beforeEach(() => {
     store = configureStore({ reducer });

src/pages-and-resources/discussions/DiscussionsSettings.test.jsx

@@ -398,13 +398,7 @@ describe.each([
       },
     });
 
-    store = initializeStore({
-      models: {
-        courseDetails: {
-          [courseId]: {},
-        },
-      },
-    });
+    store = initializeStore();
     axiosMock = new MockAdapter(getAuthenticatedHttpClient());
 
     axiosMock.onGet(getDiscussionsProvidersUrl(courseId))

src/store.ts

@@ -89,6 +89,6 @@ export default function initializeStore(preloadedState: Partial<DeprecatedReduxS
       groupConfigurations: groupConfigurationsReducer,
       textbooks: textbooksReducer,
     },
-    preloadedState,
+    preloadedState: (preloadedState as DeprecatedReduxState | undefined),
   });
 }

src/testUtils.tsx

@@ -159,12 +159,12 @@ const defaultUser = {
  */
 export function initializeMocks({ user = defaultUser, initialState = undefined }: {
   user?: { userId: number, username: string },
-  initialState?: Partial<DeprecatedReduxState>
+  initialState?: Partial<DeprecatedReduxState>,
 } = {}) {
   initializeMockApp({
     authenticatedUser: user,
   });
-  reduxStore = initializeReduxStore(initialState as any);
+  reduxStore = initializeReduxStore(initialState);
   queryClient = new QueryClient({
     defaultOptions: {
       queries: {