Bump vaadin-bom from 10.0.16 to 10.0.19 in /servlet-vaadin-v10#10

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dependabot/maven/servlet-vaadin-v10/com.vaadin-vaadin-bom-10.0.19apache/openwebbeans-meecrowave-examples:dependabot/maven/servlet-vaadin-v10/com.vaadin-vaadin-bom-10.0.19Copy head branch name to clipboard