dep: upgrade to node v22, remove unneeded incompatible deps

Author: rameziophobia

.github/workflows/js_test.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: [18.x]
+        node: [22.x]
         ruby: [3.3.3]
 
     env:

.github/workflows/lint_test.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: [18.x]
+        node: [22.x]
         ruby: [3.3.3]
 
     env:

.github/workflows/rspec_test.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: [18.x]
+        node: [22.x]
         ruby: [3.3.3]
 
     services:

.nvmrc

@@ -1 +1 @@
-v18.20.3
+v22.3.0

package.json

@@ -3,7 +3,7 @@
   "version": "1.1.0",
   "description": "Code from the React Webpack tutorial.",
   "engines": {
-    "node": "18",
+    "node": "22",
     "yarn": "1.22"
   },
   "repository": {
@@ -70,7 +70,6 @@
     "marked": "^5.1.0",
     "marked-gfm-heading-id": "^3.0.5",
     "marked-mangle": "^1.1.0",
-    "node-sass": "^9.0.0",
     "node-uuid": "^1.4.8",
     "postcss": "^8.4.5",
     "postcss-loader": "7.3.3",
@@ -134,7 +133,6 @@
     "react-refresh": "^0.14.0",
     "react-transform-hmr": "^1.0.4",
     "regenerator-runtime": "^0.13.11",
-    "sleep": "^6.2.0",
     "typescript": "^5.1.3",
     "webpack-dev-server": "^4.11.1"
   },