Bump rollup-plugin-typescript2 from 0.31.1 to 0.34.0

Bumps [rollup-plugin-typescript2](https://github.com/ezolenko/rollup-plugin-typescript2) from 0.31.1 to 0.34.0.
- [Release notes](https://github.com/ezolenko/rollup-plugin-typescript2/releases)
- [Changelog](https://github.com/ezolenko/rollup-plugin-typescript2/blob/master/CHANGELOG.md)
- [Commits](ezolenko/rollup-plugin-typescript2@0.31.1...0.34.0)

---
updated-dependencies:
- dependency-name: rollup-plugin-typescript2
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]