Prepare v1.12.1 release.

[gigerdo]

Updated the ECE release as well since 3.5.1 is the latest released version.

Description

Related Issues

Motivation and Context

How Has This Been Tested?

Types of Changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Refactoring (improves code quality but has no user-facing effect)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [x] Documentation

Readiness Checklist

• [ ] My code follows the code style of this project
• [ ] My change requires a change to the documentation
• [ ] I have updated the documentation accordingly
• [ ] I have added tests to cover my changes
• [ ] All new and existing tests passed

[gigerdo]

3.5.2 is not actually released yet :) It was my mistake when I set-up 1.12.0

[claudia-correia]

Ohh, that's right, that release was canceled, I didn't remember 🤦‍♀️ thanks!