Version 1.24.0-dev.6.6

Cherry-pick 33f360cc38c23d82ee0c02a9792466062f3225cf to dev
diff --git a/tools/VERSION b/tools/VERSION
index b6b50ee..1f4f9fb 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -28,4 +28,4 @@
 MINOR 24
 PATCH 0
 PRERELEASE 6
-PRERELEASE_PATCH 5
+PRERELEASE_PATCH 6