Bump rocket from 0.3.12 to 0.4.7#94

dependabot[bot] wants to merge 1 commit intomasterhgzimmerman/FullstackRustDemo:masterfrom

dependabot/cargo/rocket-0.4.7hgzimmerman/FullstackRustDemo:dependabot/cargo/rocket-0.4.7Copy head branch name to clipboard