Update cloudflare/cloudflared Docker tag to v2026.5.1 (#4062)

Co-authored-by: thecluster-bot[bot] <98929874+thecluster-bot[bot]@users.noreply.github.com>

Author: thecluster-bot[bot]

flux/infrastructure/configs/cloudflare-operator-system/cluster-tunnel.yml

@@ -16,7 +16,7 @@ spec:
         spec:
           containers:
             - name: cloudflared
-              image: cloudflare/cloudflared:2026.5.0
+              image: cloudflare/cloudflared:2026.5.1
               resources:
                 limits:
                   cpu: 100m

flux/infrastructure/controllers/cloudflare-system/helm-release.yml

@@ -44,7 +44,7 @@ spec:
     cloudflared:
       image:
         repository: cloudflare/cloudflared # default
-        tag: 2026.5.0
+        tag: 2026.5.1
       replicaCount: 3
 ---
 apiVersion: helm.toolkit.fluxcd.io/v2