Bump jekyll from 3.8.3 to 3.8.4#16

dependabot[bot] wants to merge 1 commit intomasterGoLangGirls/golanggirls.github.io:masterfrom

dependabot/bundler/jekyll-3.8.4GoLangGirls/golanggirls.github.io:dependabot/bundler/jekyll-3.8.4Copy head branch name to clipboard