Bump synstructure from 0.10.1 to 0.10.2
Bump synstructure from 0.10.1 to 0.10.2

Bumps [synstructure](https://github.com/mystor/synstructure) from 0.10.1 to 0.10.2.
- [Release notes](https://github.com/mystor/synstructure/releases)
- [Commits](https://github.com/mystor/synstructure/commits)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
alex/otp-cop