Workaround deployment issues with karaf packaging (#1909)

Signed-off-by: Kai Kreuzer <kai@openhab.org>

Author: kaikreuzer

pom.xml

@@ -122,6 +122,15 @@
             <allowIncompleteProjects>true</allowIncompleteProjects>
           </configuration>
         </plugin>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-deploy-plugin</artifactId>
+          <version>3.1.4</version>
+          <configuration>
+            <!-- Workaround for deploy errors for karaf packaging projects with attached artifacts only -->
+            <allowIncompleteProjects>true</allowIncompleteProjects>
+          </configuration>
+        </plugin>
         <plugin>
           <groupId>org.codehaus.mojo</groupId>
           <artifactId>build-helper-maven-plugin</artifactId>