build(deps): bump express from 4.16.3 to 4.17.3 in /src/part09/express-server#12

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dependabot/npm_and_yarn/src/part09/express-server/express-4.17.3johnnynode/learn-nodejs:dependabot/npm_and_yarn/src/part09/express-server/express-4.17.3Copy head branch name to clipboard