Update mocha to 12.0.0-beta-9.3 and fix all Dependabot vulnerabilities (#125)

Agent-Logs-Url: https://github.com/theRealPadster/diffbot-api-node/sessions/ca1a7513-218b-4b51-8fde-4e4bf0e3196a

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: theRealPadster <1565883+theRealPadster@users.noreply.github.com>

Author: Copilot