Update robotframework-maven-plugin to 1.7.2

[php-coder]

• 1.7.0 https://github.com/robotframework/MavenPlugin/releases/tag/1.7.0
• 1.7.1 https://github.com/robotframework/MavenPlugin/releases/tag/1.7.1
• 1.7.2 https://github.com/robotframework/MavenPlugin/releases/tag/1.7.2