envoy: Bump envoy version to v1.24.11

This is mainly for the below CVE from the upstream.

[CVE-2023-44487 (GHSA-jhv4-f7mr-xx76)](GHSA-jhv4-f7mr-xx76)

Release notes: https://www.envoyproxy.io/docs/envoy/v1.24.11/version_history/v1.24/v1.24.11
Related build: https://github.com/cilium/proxy/actions/runs/6474746989/job/17581439452

Signed-off-by: Tam Mach <tam.mach@cilium.io>

images/cilium/Dockerfile

@@ -9,7 +9,7 @@ ARG CILIUM_RUNTIME_IMAGE=quay.io/cilium/cilium-runtime:f4228e327175851d2ba83743c
 
 # cilium-envoy from github.com/cilium/proxy
 #
-FROM quay.io/cilium/cilium-envoy:v1.24-ad831bdec4c93feeb2378aa9e1847c936ada6ef7@sha256:7e9dd951f251f5aa43c0ec8d62d13bb95cb93776860426e28a9a90d988050868 as cilium-envoy
+FROM quay.io/cilium/cilium-envoy:v1.24-55c3011de2cde1c9ab584a6e499ddaf17d6d8b5f@sha256:8684ece2ae991406e8ee7893a6c62b58e848923d09fa34b68e276eaf47a267d7 as cilium-envoy
 
 #
 # Hubble CLI