Suppress storage-provisioner Endpoints deprecation warning

Minikube's storage-provisioner uses the deprecated v1 Endpoints API which
spams warnings every 2 seconds on K8s 1.33+. This is an upstream issue
(kubernetes/minikube#21009) with no fix yet.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

argocd/manifests/alloy-k8s/configmap.yaml

@@ -82,6 +82,13 @@ data:
     loki.process "pods" {
       forward_to = [loki.write.loki.receiver]
 
+      // Drop noisy deprecation warning from minikube storage-provisioner
+      // See: https://github.com/kubernetes/minikube/issues/21009
+      stage.drop {
+        source     = ""
+        expression = "v1 Endpoints is deprecated"
+      }
+
       // Try to parse JSON logs
       stage.json {
         expressions = {