fix regression in jar packaging (apache#950)

Author: andygrove

spark/pom.xml

@@ -178,7 +178,7 @@ under the License.
               <createDependencyReducedPom>true</createDependencyReducedPom>
               <artifactSet>
                 <includes>
-                  <include>org.apache.comet:comet-common-spark${spark.version.short}_${scala.binary.version}</include>
+                  <include>org.apache.datafusion:comet-common-spark${spark.version.short}_${scala.binary.version}</include>
                   <!-- Relocate Protobuf since Spark uses 2.5.0 while Comet uses 3.x -->
                   <include>com.google.protobuf:protobuf-java</include>
                   <include>com.google.guava:guava</include>