Bump rollup-plugin-typescript2 from 0.24.3 to 0.31.2

Bumps [rollup-plugin-typescript2](https://github.com/ezolenko/rollup-plugin-typescript2) from 0.24.3 to 0.31.2.
- [Release notes](https://github.com/ezolenko/rollup-plugin-typescript2/releases)
- [Commits](https://github.com/ezolenko/rollup-plugin-typescript2/compare/0.24.3...0.31.2)

---
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>

package.json

@@ -53,7 +53,7 @@
     "rollup-plugin-serve": "^1.1.0",
     "rollup-plugin-styles": "^3.14.1",
     "rollup-plugin-terser": "^7.0.2",
-    "rollup-plugin-typescript2": "^0.30.0",
+    "rollup-plugin-typescript2": "^0.31.2",
     "sass": "^1.42.1",
     "typescript": "^4.4.3"
   },