Update package lock file to v2 format

[desrosj]

​Version 7 of NPM was released on February 2, 2021.

This version includes significant performance improvements, and several new features.

One main feature included in NPM 7 is a new v2 format for package-lock.json files. Running npm install using NPM 7 will result in the lock file being upgraded to the v2 format. Since the v2 format is backwards compatible, the lock file should be updated to use this new format.

More information on the features and changes in v7.x: ​https://github.blog/2020-10-13-presenting-v7-0-0-of-the-npm-cli/.
More information on the breaking changes in v7.x: ​https://blog.npmjs.org/post/626173315965468672/npm-v7-series-beta-release-and-semver-major.

This is backwards compatible with NPM version 6.x.

Trac ticket: https://core.trac.wordpress.org/ticket/52951

Bleh that is a bummer. @tellthemachines Let's wait and update both Gutenberg and Core at the same time when that bug is fixed. Though we don't have any packages pulled from GitHub in Core, it would be better to have consistency, IMO!

[desrosj]

Going to move this to Future Release for now.

[desrosj]

I'm going to close this out as a duplicate of #56658, which has the broader goal of updating Core to be compatible with NodeJS 18.x. The package-lock.json file should be updated when the other update related changes happen.

This was fixed in https://core.trac.wordpress.org/changeset/56378/.