use redux toolkit

Using redux directly has been deprecated. Using redux toolkit offers
some more safety checks (and could potientially replace some use of
sagas).

yarn.lock

@@ -2294,6 +2294,7 @@ __metadata:
     "@pybricks/firmware": 4.15.0
     "@pybricks/ide-docs": 2.2.0
     "@pybricks/mpy-cross-v5": ^2.0.0
+    "@reduxjs/toolkit": ^1.8.2
     "@shopify/react-i18n": ^7.1.3
     "@svgr/webpack": ^6.2.1
     "@testing-library/dom": ^8.13.0
@@ -3636,6 +3637,26 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@reduxjs/toolkit@npm:^1.8.2":
+  version: 1.8.2
+  resolution: "@reduxjs/toolkit@npm:1.8.2"
+  dependencies:
+    immer: ^9.0.7
+    redux: ^4.1.2
+    redux-thunk: ^2.4.1
+    reselect: ^4.1.5
+  peerDependencies:
+    react: ^16.9.0 || ^17.0.0 || ^18
+    react-redux: ^7.2.1 || ^8.0.0-beta
+  peerDependenciesMeta:
+    react:
+      optional: true
+    react-redux:
+      optional: true
+  checksum: bd94e6d5c469f841c59e7d74e3fc60681c023ccdc6367005a9b04c252990d103bba438b2aea82f6e3db697486b32f4a5fb0d4bb6208af6119e5028c2ee626198
+  languageName: node
+  linkType: hard
+
 "@rollup/plugin-babel@npm:^5.2.0":
   version: 5.3.1
   resolution: "@rollup/plugin-babel@npm:5.3.1"
@@ -12742,7 +12763,16 @@ __metadata:
   languageName: node
   linkType: hard
 
-"redux@npm:^4.0.0, redux@npm:^4.0.4, redux@npm:^4.2.0":
+"redux-thunk@npm:^2.4.1":
+  version: 2.4.1
+  resolution: "redux-thunk@npm:2.4.1"
+  peerDependencies:
+    redux: ^4
+  checksum: af5abb425fb9dccda02e5f387d6f3003997f62d906542a3d35fc9420088f550dc1a018bdc246c7d23ee852b4d4ab8b5c64c5be426e45a328d791c4586a3c6b6e
+  languageName: node
+  linkType: hard
+
+"redux@npm:^4.0.0, redux@npm:^4.0.4, redux@npm:^4.1.2, redux@npm:^4.2.0":
   version: 4.2.0
   resolution: "redux@npm:4.2.0"
   dependencies:
@@ -12881,6 +12911,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"reselect@npm:^4.1.5":
+  version: 4.1.6
+  resolution: "reselect@npm:4.1.6"
+  checksum: 3ea1058422904063ec93c8f4693fe33dcb2178bbf417ace8db5b2c797a5875cf357d9308d11ed3942ee22507dd34ecfbf1f3a21340a4f31c206cab1d36ceef31
+  languageName: node
+  linkType: hard
+
 "resolve-cwd@npm:^3.0.0":
   version: 3.0.0
   resolution: "resolve-cwd@npm:3.0.0"