Update kubernetes.mdx (#19428)

* Update kubernetes.mdx

* Update kubernetes.mdx

Author: imuneeeb

src/content/docs/cloudflare-one/connections/connect-networks/deploy-tunnels/deployment-guides/kubernetes.mdx

@@ -89,6 +89,10 @@ spec:
       labels:
         pod: cloudflared
     spec:
+      securityContext:
+        sysctls:
+          - name: net.ipv4.ping_group_range
+            value: "65532 65532"
       containers:
         - command:
             - cloudflared