Version 1.21.0-dev.8.0

Merge dbf8d06eab8140bcc49b2b8eed3b149fb215c3dc into dev
diff --git a/tools/VERSION b/tools/VERSION
index ff9f90a..b4d1f0b 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -24,9 +24,9 @@
 #  * Making cherry-picks to stable channel
 #     - increase PATCH by 1
 #
-CHANNEL be
+CHANNEL dev
 MAJOR 1
 MINOR 21
 PATCH 0
-PRERELEASE 0
+PRERELEASE 8
 PRERELEASE_PATCH 0