Change version to 1.79.0 (#8850)

RELEASE NOTES: None

Co-authored-by: eshitachandwani <59800922+eshitachandwani@users.noreply.github.com>

Author: Pranjali-2501

version.go

@@ -19,4 +19,4 @@
 package grpc
 
 // Version is the current grpc version.
-const Version = "1.79.0-dev"
+const Version = "1.79.0"