site: update to Eleventy 3, drop eleventy-sass & eleventy-plugin-rev - #497

XhmikosR wants to merge 2 commits into

site: update to Eleventy 3, drop eleventy-sass & eleventy-plugin-rev#497
XhmikosR wants to merge 2 commits into
mainfrom
xmr/site-update-eleventy

site: drop eleventy-sass and eleventy-plugin-rev for the bundle plugin