Bump express from 4.16.3 to 4.17.3 in /PROJ4-Web-Server#16

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dependabot/npm_and_yarn/PROJ4-Web-Server/express-4.17.3rlindsberg/Node.js-Full-Stack-Development:dependabot/npm_and_yarn/PROJ4-Web-Server/express-4.17.3Copy head branch name to clipboard