Bumps [mustache-express](https://github.com/bryanburgers/node-mustache-express) from 1.3.0 to 1.3.1.
- [Release notes](https://github.com/bryanburgers/node-mustache-express/releases)
- [Commits](https://github.com/bryanburgers/node-mustache-express/commits)
Signed-off-by: dependabot[bot] <support@github.com>