add variantAnnotation column to pharmacogenomics output data

There is a new field in the input data that needs to be added to the final grouping operation

Author: ireneisdoomed

src/main/scala/io/opentargets/etl/backend/pharmacogenomics/Pharmacogenomics.scala

@@ -75,6 +75,7 @@ object Pharmacogenomics extends LazyLogging {
           col("pgxCategory"),
           col("phenotypeFromSourceId"),
           col("phenotypeText"),
+          col("variantAnnotation"),
           col("studyId"),
           col("targetFromSourceId"),
           col("variantFunctionalConsequenceId"),