Merge branch 'update-helm-repo-v1' into 'master'

update helmRepo api version to v1 from v1beta2

Closes #2261

See merge request !4874

chart/templates/helm-repository/helmrepo.yaml

 {{- range .Values.helmRepositories }}
-apiVersion: source.toolkit.fluxcd.io/v1beta2
+apiVersion: source.toolkit.fluxcd.io/v1
 kind: HelmRepository
 metadata:
   name: {{ .name }}