Add .mjs resolution to Native Federation esbuild adapter#993

Daniel4o wants to merge 2 commits intoangular-architects:mainangular-architects/module-federation-plugin:mainfrom

Daniel4o:bugfix/nf-esbuild-mjs-supportDaniel4o/module-federation-plugin:bugfix/nf-esbuild-mjs-supportCopy head branch name to clipboard