Bump mixin-deep from 1.3.1 to 1.3.2 in /scripts (#301)

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](jonschlinkert/mixin-deep@1.3.1...1.3.2)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Vincent Biret <vibiret@microsoft.com>
Co-authored-by: nikithauc <nikithauc@gmail.com>

Author: 3 people