Removing/Updating outdated packages

[shailee-m]

Removing outdated package: core-js and updating non-storybook dependencies

CC: @brylie , @MuluhGodson

Checklist

• [x] My pull request has a descriptive title (not a vague title like Update index.md).
• [x] My pull request targets the default branch of the repository (main or master).
• [ ] My commit messages follow [best practices][best_practices].
• [x] My code follows the established code style of the repository.
• [ ] I added or updated tests for the changes I made (if applicable).
• [ ] I added or updated documentation (if applicable).
• [x] I tried running the project locally and verified that there are no visible errors.

[MuluhGodson]

Looks good to me. All commands executed.

npm install

npm run serve

npm run build:fonts

npm run build:vocabulary

npm run build:vue-vocabulary

npm run build:storybook

npm run test:unit

npm run lint