Upgrade outdated dependencies

- [ ] Upgrade `google-spreadsheet` from v3.3.0 to v4.x.x
Would resolve an advisory on `axios` (https://github.com/advisories/GHSA-wf5p-g6vw-rhxx)
- [ ] Upgrade `googleapis` from v39.2.0 to v133.x.x
Would resolve an advisory on `json-bigint` (https://github.com/advisories/GHSA-wgfq-7857-4jcc) and multiple advisories on `node-forge` (full list available via `npm audit`)