chore: add helm dep up for the local demo scenario

Signed-off-by: Peter Wilcsinszky <peter.wilcsinszky@axoflow.com>

Author: pepov

config/samples/telemetry-controller-routing/README.md

@@ -7,6 +7,7 @@ make kind-cluster
 make docker-build
 kind load docker-image controller:local
 
+helm dependency update charts/logging-operator
 helm upgrade --install \
     --wait \
     --create-namespace \