cmd/utils: Set version string to stable (#3304)

cmd/utils/version.go

@@ -31,7 +31,7 @@ const (
 	VersionMajor = 1          // Major version component of the current release
 	VersionMinor = 5          // Minor version component of the current release
 	VersionPatch = 2          // Patch version component of the current release
-	VersionMeta  = "unstable" // Version metadata to append to the version string
+	VersionMeta  = "stable"   // Version metadata to append to the version string
 )
 
 // Version holds the textual version string.