Description

Updates package.json files to properly exclude Node 14.

Motivation and Context

Node 14 reached end of life on Apr 30th, 2023 (https://endoflife.date/nodejs), which was two months before the release of Lerna v7. Lerna v7 never intended to support Node 14 and the persistence of ^v14.17.0 in the package.json engines.node property for Lerna@^7 was an oversight.

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.