ci: Include source-watcher in the e2e test suite

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

manifests/test/labels.yaml

@@ -0,0 +1,13 @@
+apiVersion: builtin
+kind: LabelTransformer
+metadata:
+  name: labels
+labels:
+  app.kubernetes.io/part-of: flux
+  app.kubernetes.io/instance: flux-system
+fieldSpecs:
+  - path: metadata/labels
+    create: true
+  - kind: Deployment
+    path: spec/template/metadata/labels
+    create: true