Bump mixin-deep from 1.3.1 to 1.3.2
Bumps [mixin-deep](https://github.com/jonschlinkert/mixin-deep) from 1.3.1 to 1.3.2.
- [Release notes](https://github.com/jonschlinkert/mixin-deep/releases)
- [Commits](https://github.com/jonschlinkert/mixin-deep/compare/1.3.1...1.3.2)
Signed-off-by: dependabot[bot]
Advance Mathematical Commands -1
Added Mod operators
Added Equivalents operator
Added Partial derivative symbol
Added vector
Added under and overbraces
Added vertical and horizontal dots