Bump mochapack from 1.1.13 to 1.1.15

Bumps [mochapack](https://github.com/sysgears/mochapack) from 1.1.13 to 1.1.15.
- [Release notes](https://github.com/sysgears/mochapack/releases)
- [Commits](https://github.com/sysgears/mochapack/compare/v1.1.13...v1.1.15

)

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