MINOR: Update scala default version in readme
Now, default should be 2.13.x, not 2.12.x. Update it.
Reviewers: Ismael Juma
@@ -85,7 +85,7 @@ fail due to code changes. You can just run:
./gradlew clean
### Running a task with one of the Scala versions available (2.12.x or 2.13.x) ###
-*Note that if building the jars with a version other than 2.12.x, you need to set the `SCALA_VERSION` variable or change it in `bin/kafka-run-class.sh` to run the quick start.*
+*Note that if building the jars with a version other than 2.13.x, you need to set the `SCALA_VERSION` variable or change it in `bin/kafka-run-class.sh` to run the quick start.*
You can pass either the major version (eg 2.12) or the full version (eg 2.12.7):
