Bump babel-plugin-polyfill-regenerator from 0.5.4 to 0.5.5

Bumps [babel-plugin-polyfill-regenerator](https://github.com/babel/babel-polyfills/tree/HEAD/packages/babel-plugin-polyfill-regenerator) from 0.5.4 to 0.5.5.
- [Commits](https://github.com/babel/babel-polyfills/commits/[email protected]/packages/babel-plugin-polyfill-regenerator)

---
updated-dependencies:
- dependency-name: babel-plugin-polyfill-regenerator
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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