build(deps-dev): bump rollup-plugin-typescript2 from 0.30.0 to 0.31.0 (#454)

Bumps [rollup-plugin-typescript2](https://github.com/ezolenko/rollup-plugin-typescript2) from 0.30.0 to 0.31.0.
- [Release notes](https://github.com/ezolenko/rollup-plugin-typescript2/releases)
- [Commits](ezolenko/rollup-plugin-typescript2@0.30.0...0.31.0)

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

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Author: dependabot[bot]

package-lock.json

@@ -53,7 +53,7 @@
     "rollup-plugin-babel": "^4.4.0",
     "rollup-plugin-commonjs": "^10.1.0",
     "rollup-plugin-terser": "^7.0.0",
-    "rollup-plugin-typescript2": "^0.30.0",
+    "rollup-plugin-typescript2": "^0.31.0",
     "selenium-webdriver": "^4.0.0-alpha.7",
     "ts-jest": "^26.5.2",
     "typedoc": "^0.22.4",