v22.0.0

Changes

• Migrated test imports from mocha to node:test
• Bumped tsconfig target/lib to ES2024
• Rewrote README with complete API surface documentation
• Fixed Postgres constructor forcing SSL on when not explicitly requested
• Fixed Postgres ssl: false being incorrectly treated as SSL enabled
• Added allowPublicKeyRetrieval default for MySQL 8.4+ caching_sha2_password support
• Added PGSQL_SSL env var support in test configuration
• Replaced external shared DB servers with per-job Docker service containers in CI
• Regenerated yarn.lock (0 vulnerabilities)