build(deps): bump activesupport from 6.0.4 to 6.0.6.1#18

dependabot[bot] wants to merge 1 commit intomasterisabelle-prover/isabelle-prover.github.io:masterfrom

dependabot/bundler/activesupport-6.0.6.1isabelle-prover/isabelle-prover.github.io:dependabot/bundler/activesupport-6.0.6.1Copy head branch name to clipboard