Bump rollup-plugin-typescript2 from 0.31.1 to 0.31.2 (#435)

Bumps [rollup-plugin-typescript2](https://github.com/ezolenko/rollup-plugin-typescript2) from 0.31.1 to 0.31.2.
- [Release notes](https://github.com/ezolenko/rollup-plugin-typescript2/releases)
- [Commits](ezolenko/rollup-plugin-typescript2@0.31.1...0.31.2)

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

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

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

Author: dependabot[bot]