Bump vaadin.version from 14.1.3 to 19.0.5#9

dependabot[bot] wants to merge 1 commit intomasterookcoder/ookChat:masterfrom

dependabot/maven/vaadin.version-19.0.5ookcoder/ookChat:dependabot/maven/vaadin.version-19.0.5Copy head branch name to clipboard