build(deps): bump tough-cookie, @lerna/bootstrap and lerna

Removes [tough-cookie](https://github.com/salesforce/tough-cookie). It's no longer used after updating ancestor dependencies [tough-cookie](https://github.com/salesforce/tough-cookie), [@lerna/bootstrap](https://github.com/lerna/lerna/tree/HEAD/packages/legacy-structure/commands/bootstrap) and [lerna](https://github.com/lerna/lerna/tree/HEAD/packages/lerna). These dependencies need to be updated together.


Removes `tough-cookie`

Updates `@lerna/bootstrap` from 4.0.0 to 6.6.2
- [Release notes](https://github.com/lerna/lerna/releases)
- [Changelog](https://github.com/lerna/lerna/blob/6.6.2/packages/legacy-structure/commands/bootstrap/CHANGELOG.md)
- [Commits](https://github.com/lerna/lerna/commits/6.6.2/packages/legacy-structure/commands/bootstrap)

Updates `lerna` from 4.0.0 to 7.1.1
- [Release notes](https://github.com/lerna/lerna/releases)
- [Changelog](https://github.com/lerna/lerna/blob/main/packages/lerna/CHANGELOG.md)
- [Commits](https://github.com/lerna/lerna/commits/7.1.1/packages/lerna)

---
updated-dependencies:
- dependency-name: tough-cookie
  dependency-type: indirect
- dependency-name: "@lerna/bootstrap"
  dependency-type: direct:development
- dependency-name: lerna
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>