Update spark_examples_test.yaml

Author: allisonport-db

.github/workflows/spark_examples_test.yaml

@@ -48,6 +48,6 @@ jobs:
         # Thus, we need to publishM2 first so those jars are locally accessible.
         run: |
           build/sbt clean
-          build/sbt "++ $SCALA_VERSION sparkGroup/publishM2"
+          build/sbt sparkGroup/publishM2
           cd examples/scala && build/sbt "++ $SCALA_VERSION compile"
         if: steps.git-diff.outputs.diff