build: update gaxios & gcp-metadata to 6.0.0, update @types/node to 20.4.2, decrease puppeteer to ^19.0.0, distinguish status and code in error handling.

build: update gaxios & gcp-metadata to 6.0.0, update @types/node to 20.4.2, decrease puppeteer to ^19.0.0, distinguish status and code in error handling. #1616