Bump mysql2 from 3.6.0 to 3.9.7 in /backend#439

dependabot[bot] wants to merge 1 commit intomasterhunicus/mempool:masterfrom

dependabot/npm_and_yarn/backend/mysql2-3.9.7hunicus/mempool:dependabot/npm_and_yarn/backend/mysql2-3.9.7Copy head branch name to clipboard