Node 20 bump & sass-loader 14 support

Hey packagers!

• #1254 Increased minimum Node version to 20 (@weaverryan)

• #1253 Allow sass-loader 14 (@cedric-anne)

• #1247 Allow only configuring a plugin (@gimler)

Upgrading

Run:

npm install "@symfony/webpack-encore@^4.6.0" --save-dev

Or:

yarn upgrade "@symfony/webpack-encore@^4.6.0"

Changes: v4.5.0...v4.6.0

Happy Packing!