Bump @vue/babel-preset-app in /LearningHub.Nhs.WebUI (#827)

Bumps [@vue/babel-preset-app](https://github.com/vuejs/vue-cli/tree/HEAD/packages/@vue/babel-preset-app) from 4.5.12 to 4.5.19.
- [Release notes](https://github.com/vuejs/vue-cli/releases)
- [Changelog](https://github.com/vuejs/vue-cli/blob/dev/CHANGELOG.md)
- [Commits](https://github.com/vuejs/vue-cli/commits/v4.5.19/packages/@vue/babel-preset-app)

---
updated-dependencies:
- dependency-name: "@vue/babel-preset-app"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]