GEODE-10151: Extract redis before start

The redis distribution needs to be extracted *before* starting the geode
servers, to ensure it's actually available to be on the classpath.

Before this change, the tests would sometimes pass depending on the order of
execution of these tasks.
diff --git a/geodeForRedis/build.gradle b/geodeForRedis/build.gradle
index b3739e1..1abef25 100644
--- a/geodeForRedis/build.gradle
+++ b/geodeForRedis/build.gradle
@@ -33,4 +33,4 @@
     includeEmptyDirs false
 }
 
-run.dependsOn(installRedis)
+start.dependsOn(installRedis)