install: Update image digests for v1.16.4

Generated from https://github.com/cilium/cilium/actions/runs/11915840297

## Docker Manifests

### cilium

`quay.io/cilium/cilium:v1.16.4@sha256:d55ec38938854133e06739b1af237932b9c4dd4e75e9b7b2ca3acc72540a44bf`
`quay.io/cilium/cilium:stable@sha256:d55ec38938854133e06739b1af237932b9c4dd4e75e9b7b2ca3acc72540a44bf`

### clustermesh-apiserver

`quay.io/cilium/clustermesh-apiserver:v1.16.4@sha256:b41ba9c1b32e31308e17287a24a5b8e8ed0931f70d168087001c9679bc6c5dd2`
`quay.io/cilium/clustermesh-apiserver:stable@sha256:b41ba9c1b32e31308e17287a24a5b8e8ed0931f70d168087001c9679bc6c5dd2`

### docker-plugin

`quay.io/cilium/docker-plugin:v1.16.4@sha256:0e55f80fa875a1bcce87d87eae9a72b32c9db1fe9741c1f8d1bf308ef4b1193e`
`quay.io/cilium/docker-plugin:stable@sha256:0e55f80fa875a1bcce87d87eae9a72b32c9db1fe9741c1f8d1bf308ef4b1193e`

### hubble-relay

`quay.io/cilium/hubble-relay:v1.16.4@sha256:fb2c7d127a1c809f6ba23c05973f3dd00f6b6a48e4aee2da95db925a4f0351d2`
`quay.io/cilium/hubble-relay:stable@sha256:fb2c7d127a1c809f6ba23c05973f3dd00f6b6a48e4aee2da95db925a4f0351d2`

### operator-alibabacloud

`quay.io/cilium/operator-alibabacloud:v1.16.4@sha256:8d59d1c9043d0ccf40f3e16361e5c81e8044cb83695d32d750b0c352f690c686`
`quay.io/cilium/operator-alibabacloud:stable@sha256:8d59d1c9043d0ccf40f3e16361e5c81e8044cb83695d32d750b0c352f690c686`

### operator-aws

`quay.io/cilium/operator-aws:v1.16.4@sha256:355051bbebab73ea3067bb7f0c28cfd43b584d127570cb826f794f468e2d31be`
`quay.io/cilium/operator-aws:stable@sha256:355051bbebab73ea3067bb7f0c28cfd43b584d127570cb826f794f468e2d31be`

### operator-azure

`quay.io/cilium/operator-azure:v1.16.4@sha256:475594628af6d6a807d58fcb6b7d48f5a82e0289f54ae372972b1d0536c0b6de`
`quay.io/cilium/operator-azure:stable@sha256:475594628af6d6a807d58fcb6b7d48f5a82e0289f54ae372972b1d0536c0b6de`

### operator-generic

`quay.io/cilium/operator-generic:v1.16.4@sha256:c55a7cbe19fe0b6b28903a085334edb586a3201add9db56d2122c8485f7a51c5`
`quay.io/cilium/operator-generic:stable@sha256:c55a7cbe19fe0b6b28903a085334edb586a3201add9db56d2122c8485f7a51c5`

### operator

`quay.io/cilium/operator:v1.16.4@sha256:c77643984bc17e1a93d83b58fa976d7e72ad1485ce722257594f8596899fdfff`
`quay.io/cilium/operator:stable@sha256:c77643984bc17e1a93d83b58fa976d7e72ad1485ce722257594f8596899fdfff`

Signed-off-by: Cilium Release Bot <[email protected]>

install/kubernetes/Makefile.digests

@@ -2,12 +2,12 @@
 # Copyright 2024 Authors of Cilium
 # SPDX-License-Identifier: Apache-2.0
 
-export CILIUM_DIGEST := ""
-export CLUSTERMESH_APISERVER_DIGEST := ""
-export DOCKER_PLUGIN_DIGEST := ""
-export HUBBLE_RELAY_DIGEST := ""
-export OPERATOR_ALIBABACLOUD_DIGEST := ""
-export OPERATOR_AWS_DIGEST := ""
-export OPERATOR_AZURE_DIGEST := ""
-export OPERATOR_GENERIC_DIGEST := ""
-export OPERATOR_DIGEST := ""
+export CILIUM_DIGEST := "sha256:d55ec38938854133e06739b1af237932b9c4dd4e75e9b7b2ca3acc72540a44bf"
+export CLUSTERMESH_APISERVER_DIGEST := "sha256:b41ba9c1b32e31308e17287a24a5b8e8ed0931f70d168087001c9679bc6c5dd2"
+export DOCKER_PLUGIN_DIGEST := "sha256:0e55f80fa875a1bcce87d87eae9a72b32c9db1fe9741c1f8d1bf308ef4b1193e"
+export HUBBLE_RELAY_DIGEST := "sha256:fb2c7d127a1c809f6ba23c05973f3dd00f6b6a48e4aee2da95db925a4f0351d2"
+export OPERATOR_ALIBABACLOUD_DIGEST := "sha256:8d59d1c9043d0ccf40f3e16361e5c81e8044cb83695d32d750b0c352f690c686"
+export OPERATOR_AWS_DIGEST := "sha256:355051bbebab73ea3067bb7f0c28cfd43b584d127570cb826f794f468e2d31be"
+export OPERATOR_AZURE_DIGEST := "sha256:475594628af6d6a807d58fcb6b7d48f5a82e0289f54ae372972b1d0536c0b6de"
+export OPERATOR_GENERIC_DIGEST := "sha256:c55a7cbe19fe0b6b28903a085334edb586a3201add9db56d2122c8485f7a51c5"
+export OPERATOR_DIGEST := "sha256:c77643984bc17e1a93d83b58fa976d7e72ad1485ce722257594f8596899fdfff"