Miscellaneous package.json updates

[sdadn]

Summary

This PR makes several updates to package.json files to be consistent with the rest of the Terra ecosystem:

• update package version formats
• replace .npmignore with the files property

Testing

This change was tested using:

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

Reviews

In addition to engineering reviews, this PR needs:

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

Additional Details

---

Thank you for contributing to Terra. @cerner/terra

[github-actions[bot]]

Fails

:no_entry_sign:

Please include a CHANGELOG entry for each changed package on this PR. Looks like a CHANGELOG entry is missing for: - browserslist-config-terra - duplicate-package-checker-webpack-plugin - eslint-config-terra - jest-config-terra - package-json-lint - stylelint-config-terra - terra-aggregate-translations - terra-cli - terra-enzyme-intl - terra-functional-testing - terra-open-source-scripts - terra-toolkit-docs - webpack-config-terra

Generated by :no_entry_sign: dangerJS against c43ea071e1217edb15388011b3441574615370e8

[sdadn]

Fails 🚫 Please include a CHANGELOG entry for each changed package on this PR. Looks like a CHANGELOG entry is missing for:

• browserslist-config-terra
• duplicate-package-checker-webpack-plugin
• eslint-config-terra
• jest-config-terra
• package-json-lint
• stylelint-config-terra
• terra-aggregate-translations
• terra-cli
• terra-enzyme-intl
• terra-functional-testing
• terra-open-source-scripts
• terra-toolkit-docs
• webpack-config-terra

Generated by 🚫 dangerJS against c43ea07

CHANGELOG updates are not needed.