feat: enable CrowdSec Traefik bouncer on all ingresses

- Add Traefik plugin via HelmChartConfig (crowdsec-bouncer-traefik-plugin)
- Create bouncer Middleware in stream mode
- Apply bouncer to all public ingresses
- IPs flagged by CrowdSec will now be blocked at Traefik level

clusters/lab/infrastructure/traefik-crowdsec.yaml

@@ -0,0 +1,29 @@
+---
+apiVersion: helm.cattle.io/v1
+kind: HelmChartConfig
+metadata:
+  name: traefik
+  namespace: kube-system
+spec:
+  valuesContent: |-
+    experimental:
+      plugins:
+        crowdsec-bouncer:
+          moduleName: github.com/maxlerebourg/crowdsec-bouncer-traefik-plugin
+          version: v1.4.5
+---
+apiVersion: traefik.io/v1alpha1
+kind: Middleware
+metadata:
+  name: crowdsec-bouncer
+  namespace: default
+spec:
+  plugin:
+    crowdsec-bouncer:
+      enabled: true
+      crowdsecMode: stream
+      updateIntervalSeconds: 15
+      defaultDecisionSeconds: 60
+      crowdsecLapiHost: crowdsec-crowdsec-lapi.crowdsec.svc.cluster.local:8080
+      crowdsecLapiKey: mDDWNQz36B/PPTbsN/QlqSmylJjW+poyWWu3Ws8GVoM
+      crowdsecLapiScheme: http