release-3.2.0

What's Changed

• Use external non-shared network for gateway by @almahmoud in #307
• Install cloudbridge full in examples by @nuwang in #310
• Add new ec2_retries_value config for AWSCloudProvider by @MosheFriedland in #313
• Add packaging action by @nuwang in #314
• Fix linting error in comparison by @nuwang in #315
• Fix tox syntax and branch references by @nuwang in #316
• Switch to pytest by @nuwang in #317
• Update tox syntax and pin min tox version by @nuwang in #318

Full Changelog: v3.1.0...v3.2.0