Update robotframework to 3.2.2

[php-coder]

• 3.2 https://github.com/robotframework/robotframework/releases/tag/v3.2 / https://github.com/robotframework/robotframework/blob/v3.2.2/doc/releasenotes/rf-3.2.rst
• 3.2.1 https://github.com/robotframework/robotframework/releases/tag/v3.2.1 / https://github.com/robotframework/robotframework/blob/v3.2.2/doc/releasenotes/rf-3.2.1.rst
• 3.2.2 https://github.com/robotframework/robotframework/releases/tag/v3.2.2 / https://github.com/robotframework/robotframework/blob/v3.2.2/doc/releasenotes/rf-3.2.2.rst