Bump semver, node-sass and protractor in /lpsolver#25

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dependabot/npm_and_yarn/lpsolver/semver-and-semver-and-node-sass-and-protractor-5.7.2xdqc/letterpress-resolver:dependabot/npm_and_yarn/lpsolver/semver-and-semver-and-node-sass-and-protractor-5.7.2Copy head branch name to clipboard