Merge branch 'vs-version' into 'master'

Update: apiVersion of  schema virtualservice to v1beta1

See merge request !727

(cherry picked from commit eed8c0d3)

7555c8e7 Update: apiVersion of legal virtualservice to v1
d6cb7864 switched to beta

Co-authored-by: Aliaksandr Ramanovich (EPAM) <aliaksandr_ramanovich1@epam.com>

devops/core-plus/deploy/templates/virtual-service.yaml

-apiVersion: networking.istio.io/v1alpha3
+apiVersion: networking.istio.io/v1beta1
 kind: VirtualService
 metadata:
   name: {{ .Values.conf.appName | quote }}

devops/gc/deploy/templates/virtual-service.yaml

-apiVersion: networking.istio.io/v1alpha3
+apiVersion: networking.istio.io/v1beta1
 kind: VirtualService
 metadata:
   name: {{ .Values.conf.appName | quote }}