ci: wait for Traefik CRDs before installing chart

k3s deploys Traefik via its Helm controller asynchronously after cluster
startup. Without waiting, helm install fails with "no matches for kind
IngressRoute in version traefik.io/v1alpha1".

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: attilaedelenyi

.github/workflows/integration-tests.yml

@@ -55,6 +55,10 @@ jobs:
             --no-lb
             --image rancher/k3s:v1.32.10-k3s1
 
+      - name: Wait for Traefik CRDs
+        if: matrix.mode.verifyTraefikRoute
+        run: kubectl wait --for=condition=established crd/ingressroutes.traefik.io --timeout=120s
+
       - name: Build chart dependencies
         run: helm dependency build ./charts/ontoserver