Update code for new parquetjs

[wilwade]

Problem

Update to the new version of Parquetjs

Solution

Update to Parquetjs 1.2.1

Double Checks:

• [x] Did you update the changelog?
• [x] Any new modules need to be exported?
• [x] Are new methods in the right module?
• [x] Are new methods/modules in core or not (i.e. porcelain or plumbing)?
• [x] Do you have good documentation on exported methods?

Change summary:

• Update Parquetjs to 1.2.1
• Use new types from Parquetjs 1.2.1

Steps to Verify:

1. npm i
2. Run