Bump babel-plugin-styled-components from 1.13.2 to 2.1.4

Bumps [babel-plugin-styled-components](https://github.com/styled-components/babel-plugin-styled-components) from 1.13.2 to 2.1.4.
- [Release notes](https://github.com/styled-components/babel-plugin-styled-components/releases)
- [Commits](styled-components/babel-plugin-styled-components@v1.13.2...v2.1.4)

---
updated-dependencies:
- dependency-name: babel-plugin-styled-components
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>