build(deps-dev): update @wessberg/rollup-plugin-ts requirement

Updates the requirements on [@wessberg/rollup-plugin-ts](https://github.com/wessberg/rollup-plugin-ts) to permit the latest version.
- [Release notes](https://github.com/wessberg/rollup-plugin-ts/releases)
- [Changelog](https://github.com/wessberg/rollup-plugin-ts/blob/master/CHANGELOG.md)
- [Commits](wessberg/rollup-plugin-ts@v1.2.23...v1.2.24)

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

Author: dependabot-preview[bot]

package.json

@@ -19,7 +19,7 @@
     "@typescript-eslint/parser": "^2.26.0",
     "@vuepress/plugin-google-analytics": "^1.4.0",
     "@vuepress/theme-default": "^1.4.0",
-    "@wessberg/rollup-plugin-ts": "^1.2.23",
+    "@wessberg/rollup-plugin-ts": "^1.2.24",
     "conventional-changelog-cli": "^2.0.31",
     "eslint": "^6.8.0",
     "husky": "^4.2.5",