Update grafana/promtail Docker tag to v3

Signed-off-by: Marcus Noble <github@marcusnoble.co.uk>

manifests/auth-proxy/non-auth-ingress.yaml

@@ -19,6 +19,7 @@ spec:
     - bsky-feeds.cluster.fun
     - ai.cluster.fun
     - penpot.cluster.fun
+    - trek.cluster.fun
     secretName: non-auth-proxy-ingress
   rules:
   - host: hello-world.cluster.fun
@@ -71,3 +72,13 @@ spec:
             name: tailscale-proxy
             port:
               name: non-auth
+  - host: trek.cluster.fun
+    http:
+      paths:
+      - path: /
+        pathType: ImplementationSpecific
+        backend:
+          service:
+            name: tailscale-proxy
+            port:
+              name: non-auth

manifests/monitoring/promtail.yaml

@@ -216,7 +216,7 @@ spec:
       serviceAccountName: promtail
       containers:
         - name: promtail
-          image: "grafana/promtail:2.9.17"
+          image: "grafana/promtail:3.6.11"
           imagePullPolicy: IfNotPresent
           args:
             - "-config.file=/etc/promtail/promtail.yaml"