Bump qs, body-parser, express and http-server in /demo#80

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dependabot/npm_and_yarn/demo/qs-and-body-parser-and-express-and-http-server-6.11.0cacheQL/cacheQL:dependabot/npm_and_yarn/demo/qs-and-body-parser-and-express-and-http-server-6.11.0Copy head branch name to clipboard