chore(package): Update 11 devDependencies to latest

[uirouterbot]

chore(package): Update 11 devDependencies to latest

@babel/core@^7.14.8: 7.14.8 -> 7.15.5
@babel/preset-env@^7.14.9: 7.14.9 -> 7.15.6
autoprefixer@^9.8.6: 9.8.6 -> 10.3.6
copy-webpack-plugin@^5.1.1: 5.1.1 -> 9.0.1
css-loader@^3.6.0: 3.6.0 -> 6.3.0
postcss-load-config@^2.1.2: 2.1.2 -> 3.1.0
postcss-loader@^3.0.0: 3.0.0 -> 6.1.1
style-loader@^1.3.0: 1.3.0 -> 3.3.0
webpack@^4.46.0: 4.46.0 -> 5.56.0
webpack-cli@^3.3.12: 3.3.12 -> 4.8.0
webpack-dev-server@^3.11.2: 3.11.2 -> 4.3.0

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