Update elasticsearch requirement from >= 5.0, < 6.2 to >= 5.0, < 6.3#8

dependabot-preview[bot] wants to merge 1 commit intomasteradrianclay/ruby-ixbrl:masterfrom

dependabot/bundler/elasticsearch-gte-5.0-and-lt-6.3adrianclay/ruby-ixbrl:dependabot/bundler/elasticsearch-gte-5.0-and-lt-6.3Copy head branch name to clipboard