Version 2.17.0-266.8.beta

* Cherry-pick 65e751c5c3239b338b17329d5b0aa6c6a144dd67 to beta
diff --git a/tools/VERSION b/tools/VERSION
index b1736d8..a5d0be6 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -28,4 +28,4 @@
 MINOR 17
 PATCH 0
 PRERELEASE 266
-PRERELEASE_PATCH 7
\ No newline at end of file
+PRERELEASE_PATCH 8
\ No newline at end of file