Optimize npm install time

[sdadn]

Summary

This PR fixes the extra long build times for terra-toolkit but upgrading it to the latest version of terra-application and terra-dev-site.

Testing

This change was tested using:

• [ ] WDIO
• [ ] Jest
• [ ] Visual testing (please attach a screenshot or recording)
• [x] Other (please describe below)
• [ ] No tests are needed

This was tested by running the dev site locally:

Reviews

In addition to engineering reviews, this PR needs:

• [ ] UX review
• [ ] Accessibility review
• [ ] Functional review

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