chore(template/tilt): Allow a custom helm values file

Co-authored-by: Techassi <git@techassi.dev>

Author: NickLarsenNZ

template/Tiltfile

@@ -28,6 +28,11 @@ if os.path.exists('result'):
 k8s_kind('Deployment', image_json_path='{.spec.template.metadata.annotations.internal\\.stackable\\.tech/image}')
 k8s_kind('DaemonSet', image_json_path='{.spec.template.metadata.annotations.internal\\.stackable\\.tech/image}')
 
+# Optionally specify a custom Helm values file to be passed to the Helm deployment below.
+# This file can for example be used to set custom telemetry options (like log level) which is not
+# supported by helm(set).
+helm_values = settings.get('helm_values', None)
+
 helm_override_image_repository = 'image.repository=' + registry + '/' + operator_name
 if operator_name == "secret-operator":
    # secret-operator image reference is under the secretOperator section
@@ -42,6 +47,7 @@ helm_crds, helm_non_crds = filter_yaml(
       set=[
          helm_override_image_repository,
       ],
+      values=helm_values,
    ),
    api_version = "^apiextensions\\.k8s\\.io/.*$",
    kind = "^CustomResourceDefinition$",