Bump generic-array from 0.12.0 to 0.12.3
Bumps [generic-array](https://github.com/fizyk20/generic-array) from 0.12.0 to 0.12.3. - [Release notes](https://github.com/fizyk20/generic-array/releases) - [Changelog](https://github.com/fizyk20/generic-array/blob/master/CHANGELOG.md) - [Commits](https://github.com/fizyk20/generic-array/commits) Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
