add v to version

Signed-off-by: Maksim Fedotov <maksim.fedotov@flant.com>

Author: nevermarine

images/virt-artifact/werf.inc.yaml

@@ -1,6 +1,6 @@
 ---
 # Source https://github.com/kubevirt/kubevirt/blob/v1.3.1/hack/dockerized#L15
-{{- $version := "1.3.1" }}
+{{- $version := "v1.3.1" }}
 {{- $tag := print $version "-virtualization/v1"}}
 {{- $goVersion := "1.22.7" }}