docs: fix broken anchor link in Flux TLS passthrough note

- Fixed broken `#how-tls-passthrough-works` link in Flux CD section to
  point to the correct `#ingress-with-tls-passthrough-optional` anchor.

Signed-off-by: Asish Kumar <officialasishkumar@gmail.com>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Signed-off-by: Asish Kumar <officialasishkumar@gmail.com>

Author: officialasishkumar

versioned_docs/version-4.0.0/keploy-cloud/kubernetes.md

@@ -595,7 +595,7 @@ spec:
 Replace `<YOUR_INGRESS_HOST>` with the same hostname used in `keploy.ingressUrl`.
 
 > [!NOTE]
-> TLS passthrough is required because the k8s-proxy serves HTTPS natively. Envoy forwards the encrypted connection directly to the k8s-proxy without terminating TLS. See the [TLS passthrough explanation](#how-tls-passthrough-works) above.
+> TLS passthrough is required because the k8s-proxy serves HTTPS natively. Envoy forwards the encrypted connection directly to the k8s-proxy without terminating TLS. See the [TLS passthrough explanation](#ingress-with-tls-passthrough-optional) above.
 
 ### Push and Let Flux Reconcile