Version 1.19.0-dev.6.1

Cherry-pick ea1b511e236fcedd4eaf214ecfcffa52eb1334bb to dev
diff --git a/tools/VERSION b/tools/VERSION
index 5085af9..525de60 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -28,4 +28,4 @@
 MINOR 19
 PATCH 0
 PRERELEASE 6
-PRERELEASE_PATCH 0
+PRERELEASE_PATCH 1