ci: modernize workflows, fix cache, and add lighthouse auditing#1910

aniruddhaadak80 wants to merge 3 commits intoHSF:mainHSF/hsf.github.io:mainfrom

aniruddhaadak80:feature/pipeline-optimizationaniruddhaadak80/hsf.github.io:feature/pipeline-optimizationCopy head branch name to clipboard