chore(deps): bump html2rss from `f722d9d` to `a4e40cc` in the rubygems group#815

mergify[bot] merged 1 commit intomasterhtml2rss/html2rss-web:masterfrom

dependabot/bundler/rubygems-1e4ad12e5chtml2rss/html2rss-web:dependabot/bundler/rubygems-1e4ad12e5cCopy head branch name to clipboard