refactor: replace babel-polyfill with core-js and regenerator-runtime

- Removed babel-polyfill from package.json and webpack.common.js.
- Added core-js and regenerator-runtime as dependencies.
- Updated babel-loader to version 8.x in devDependencies.
- Ensured compatibility with modern JavaScript features by using core-js and regenerator-runtime.

Signed-off-by: Yukai Huang <[email protected]>

Author: Yukaii

.babelrc

@@ -0,0 +1,17 @@
+module.exports = {
+  presets: [
+    ['@babel/preset-env', {
+      targets: {
+        node: '14'
+      },
+      useBuiltIns: 'usage',
+      corejs: 3
+    }]
+  ],
+  plugins: [
+    ['@babel/plugin-transform-runtime', {
+      corejs: 3
+    }],
+    '@babel/plugin-transform-nullish-coalescing-operator'
+  ]
+}