chore(deps-dev): bump gts from 2.0.2 to 3.1.1 (#103)

Bumps [gts](https://github.com/google/gts) from 2.0.2 to 3.1.1.
- [Release notes](https://github.com/google/gts/releases)
- [Changelog](https://github.com/google/gts/blob/main/CHANGELOG.md)
- [Commits](https://github.com/google/gts/commits)

---
updated-dependencies:
- dependency-name: gts
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -53,7 +53,7 @@
     "eslint-plugin-header": "3.0.0",
     "eslint-plugin-import": "2.22.0",
     "gh-pages": "3.1.0",
-    "gts": "2.0.2",
+    "gts": "3.1.1",
     "husky": "4.2.5",
     "lerna": "3.22.1",
     "lerna-changelog": "1.0.1",