Version 2.17.0-266.10.beta

* Cherry-pick 78f218eb4cbfb349762a69108c303a014c691859 to beta
diff --git a/tools/VERSION b/tools/VERSION
index 1b475b7..6c9b58a 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -28,4 +28,4 @@
 MINOR 17
 PATCH 0
 PRERELEASE 266
-PRERELEASE_PATCH 9
\ No newline at end of file
+PRERELEASE_PATCH 10
\ No newline at end of file