chore: fix demo webpack build

Author: jedwards1211

.eslintignore

@@ -0,0 +1,5 @@
+/dist
+.nyc_output
+node_modules
+/coverage
+/demo/bundle.js

demo/bundle.js

@@ -29,8 +29,12 @@
   },
   "homepage": "https://github.com/jcoreio/react-view-slider#readme",
   "devDependencies": {
+    "@babel/core": "^7.24.4",
     "@babel/plugin-syntax-flow": "^7.14.5",
     "@babel/plugin-transform-react-jsx": "^7.14.9",
+    "@babel/preset-env": "^7.24.4",
+    "@babel/preset-flow": "^7.24.1",
+    "@babel/preset-react": "^7.24.1",
     "@jcoreio/eslint-plugin-implicit-dependencies": "^1.1.1",
     "@jcoreio/toolchain": "^3.10.3",
     "@jcoreio/toolchain-circle": "^3.10.3",
@@ -49,10 +53,11 @@
     "@types/react-dom": "^18.2.15",
     "@typescript-eslint/eslint-plugin": "^7.6.0",
     "@typescript-eslint/parser": "^7.6.0",
-    "babel-loader": "^8.0.5",
+    "babel-loader": "^9.1.3",
     "babel-plugin-lodash": "^3.3.4",
     "chai": "^4.3.7",
     "copy": "^0.3.2",
+    "core-js": "^3.36.1",
     "cross-env": "^5.2.0",
     "delay": "^2.0.0",
     "eslint": "^8.56.0",
@@ -72,9 +77,9 @@
     "rimraf": "^2.6.0",
     "sinon": "^17.0.1",
     "typescript": "^5.2.2",
-    "webpack": "^4.30.0",
-    "webpack-cli": "^3.3.0",
-    "webpack-dev-server": "^3.3.1"
+    "webpack": "^5.91.0",
+    "webpack-cli": "^5.1.4",
+    "webpack-dev-server": "^5.0.4"
   },
   "dependencies": {
     "@babel/runtime": "^7.18.6",