build(deps): bump browserify-sign from 4.2.1 to 4.2.2 in /atcoder-problems-frontend#1451

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dependabot/npm_and_yarn/atcoder-problems-frontend/browserify-sign-4.2.2kenkoooo/AtCoderProblems:dependabot/npm_and_yarn/atcoder-problems-frontend/browserify-sign-4.2.2Copy head branch name to clipboard