Bump addressable from 2.5.2 to 2.8.0 in /2019-rust-isp-2019#60

dependabot[bot] wants to merge 1 commit intomasterrustcc/rust-slides:masterfrom

dependabot/bundler/2019-rust-isp-2019/addressable-2.8.0rustcc/rust-slides:dependabot/bundler/2019-rust-isp-2019/addressable-2.8.0Copy head branch name to clipboard