Bump nginx from 1.23.3-alpine to 1.23.4-alpine (#407)

* Bump nginx from 1.23.3-alpine to 1.23.4-alpine

Bumps nginx from 1.23.3-alpine to 1.23.4-alpine.

---
updated-dependencies:
- dependency-name: nginx
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update nginx key

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Luca Comellini <luca.com@gmail.com>

Dockerfile

@@ -201,15 +201,15 @@ RUN xx-info env && git clone --depth 1 -b $DATADOG_VERSION https://github.com/Da
 
 
 ### Base build image for debian
-FROM nginx:1.23.3 as build-nginx-debian
+FROM nginx:1.23.4 as build-nginx-debian
 
-RUN echo "deb-src http://nginx.org/packages/mainline/debian/ bullseye nginx" >> /etc/apt/sources.list \
+RUN echo "deb-src [signed-by=/usr/share/keyrings/nginx-archive-keyring.gpg] http://nginx.org/packages/mainline/debian/ bullseye nginx" >> /etc/apt/sources.list \
     && apt-get update \
     && apt-get build-dep -y nginx
 
 
 ### Base build image for alpine
-FROM nginx:1.23.3-alpine AS build-nginx-alpine
+FROM nginx:1.23.4-alpine AS build-nginx-alpine
 RUN apk add --no-cache \
     build-base \
     pcre2-dev \
@@ -236,12 +236,12 @@ RUN curl -fsSL -O https://github.com/nginx/nginx/archive/release-${NGINX_VERSION
 
 
 ### Base image for alpine
-FROM nginx:1.23.3-alpine as nginx-alpine
+FROM nginx:1.23.4-alpine as nginx-alpine
 RUN apk add --no-cache libstdc++
 
 
 ### Base image for debian
-FROM nginx:1.23.3 as nginx-debian
+FROM nginx:1.23.4 as nginx-debian
 
 
 ### Build final image