Bumps [coveralls](https://github.com/nickmerwin/node-coveralls) from 2.13.3 to 3.1.1.
- [Release notes](https://github.com/nickmerwin/node-coveralls/releases)
- [Commits](https://github.com/nickmerwin/node-coveralls/commits/3.1.1)

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

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

• Commit 8722464
• Compare 4aacb86..8722464
• Branch master

Jackson Tian