Fix Helm Ingress template (#7018)

### What problem does this PR solve?

Fix Helm Ingress template; Trying to access a global variable within a
loop
Fix #6191

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
- [ ] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

helm/templates/ingress.yaml

@@ -35,7 +35,7 @@ spec:
             {{- end }}
             backend:
               service:
-                name: {{ .Release.Name }}
+                name: {{ $.Release.Name }}
                 port:
                   name: http
           {{- end }}