Docker image update 21db13d1 (#7816)

Update docker images 21db13d1

Author: nginx-bot

tests/Dockerfile

@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1.11
 # this is here so we can grab the latest version of kind and have dependabot keep it up to date
-FROM kindest/node:v1.33.1@sha256:8d866994839cd096b3590681c55a6fa4a071fdaf33be7b9660e5697d2ed13002
+FROM kindest/node:v1.33.1@sha256:050072256b9a903bd914c0b2866828150cb229cea0efe5892e2b644d5dd3b34f
 
 # this is here so we can grab the latest version of skopeo and have dependabot keep it up to date
 FROM quay.io/skopeo/stable:v1.18.0