Bump @openzeppelin/contracts from 4.2.0 to 4.8.3 in /hardhat#28

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dependabot/npm_and_yarn/hardhat/openzeppelin/contracts-4.8.3crypto-org-chain/cronos-smart-contract-example:dependabot/npm_and_yarn/hardhat/openzeppelin/contracts-4.8.3Copy head branch name to clipboard