Bump rocket from 0.3.3 to 0.4.7 in /2017-trust-rust/code/hello-rocket#97

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

dependabot/cargo/2017-trust-rust/code/hello-rocket/rocket-0.4.7rustcc/rust-slides:dependabot/cargo/2017-trust-rust/code/hello-rocket/rocket-0.4.7Copy head branch name to clipboard