Images: Remove NGINX v1.21. (#12058)

images/nginx/rootfs/Dockerfile

@@ -1,4 +1,4 @@
-# Copyright 2015 The Kubernetes Authors. All rights reserved.
+# Copyright 2024 The Kubernetes Authors. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -29,11 +29,10 @@ ENV LUA_PATH="/usr/local/share/luajit-2.1.0-beta3/?.lua;/usr/local/share/lua/5.1
 ENV LUA_CPATH="/usr/local/lib/lua/?/?.so;/usr/local/lib/lua/?.so;;"
 
 COPY --from=builder /usr/local /usr/local
+COPY --from=builder /usr/lib/libopentelemetry* /usr/local/lib
 COPY --from=builder /opt /opt
 COPY --from=builder /etc/nginx /etc/nginx
 
-LABEL org.opencontainers.image.source=https://github.com/kubernetes/ingress-nginx
-
 RUN apk update \
   && apk upgrade \
   && apk add -U --no-cache \
@@ -50,6 +49,8 @@ RUN apk update \
   yaml-cpp \
   dumb-init \
   tzdata \
+  grpc-cpp \
+  libprotobuf \
   && ln -s /usr/local/nginx/sbin/nginx /sbin/nginx \
   && adduser -S -D -H -u 101 -h /usr/local/nginx \
   -s /sbin/nologin -G www-data -g www-data www-data \