version: set to 6.6.0-SNAPSHOT

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

config/about.go

diff --git a/config/about.go b/config/about.go
index 3552a3f..1b8ed52 100644
--- a/config/about.go
+++ b/config/about.go
@@ -26,7 +26,7 @@
 
 // Version CLI
 func (c *Config) Version() string {
-	return "6.5.0"
+	return "6.6.0-SNAPSHOT"
 }
 
 // PrintHeader prints startup message in CLI mode