2.19

Security release (2022-03-15)

🐛 Bug fixes

• SECURITY-2559 - Stored XSS vulnerability iframeportlet SECURITY-2565 - add sandbox attribute per default empty with system properties to disable and/or add attribute content (#151) @olamy

📦 Dependency updates

• Bump spotless-maven-plugin from 2.17.2 to 2.22.0 (#155) @dependabot
• Bump git-changelist-maven-extension from 1.2 to 1.3 (#136) @dependabot