downgrade maven-bundle-plugin to 5.1.9 as 6 requires java 17

Author: zspitzer

pom.xml

@@ -79,7 +79,7 @@
                 <plugin>
                     <groupId>org.apache.felix</groupId>
                     <artifactId>maven-bundle-plugin</artifactId>
-                    <version>6.0.0</version>
+                    <version>5.1.9</version>
                     <configuration>
                         <supportedProjectTypes>
                             <supportedProjectType>jar</supportedProjectType>