blog: webpack 5.108 (#8277)

* blog: webpack 5.108

* docs: add sections for HTML output from JavaScript entries and automatic ES module detection

* docs: clarify ES module detection in configuration examples

* docs: enhance description of Webpack 5.108 features and clarify the `universal` target

* docs: improve clarity and formatting in Webpack 5.108 blog post

* docs: add Bun and Deno targets section to Webpack 5.108 blog post

* docs: add Open Graph image for Webpack 5.108 blog post

* docs: add detection information for universal builds in Webpack 5.108 blog post

* update date

Author: bjohansebas