fix: drop support for `webpack@v4` (#355)

BREAKING CHANGE: Drop support for Node versions 12, 14, 17 and 19

BREAKING CHANGE: Drop support for `webpack@4`

BREAKING CHANGE: Drop support for `html-webpack-plugin@3`

chore(deps): update codecov/codecov-action action to v3 (#256)

chore: run CI on v4 branch

docs: remove `david` from readme

chore: name branch 4.x instead

fix: update micromatch to v4 (#199)

BREAKING CHANGE: Drops support for Node v6, v8, v10 and v15

fix: remove the hash calculation if hash exists (#159)

Co-authored-by: Ivan Vasilov <ivan@hfour.com>

fix: fix "compilation.emitAsset" with more than 1 HtmlWebpackPlugins (#…

…236)

Co-authored-by: xiaoweili <xiaoweili@tencent.com>

chore: increase timeout for puppeteer test

chore: remove unused babel-core dependency