Bump nginx from 1.23.2 to 1.23.3 in /build

Bumps nginx from 1.23.2 to 1.23.3.

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

build/Dockerfile

@@ -10,7 +10,7 @@ FROM opentracing/nginx-opentracing:nginx-1.23.2-alpine as alpine-opentracing-lib
 
 
 ############################################# Base image for Debian #############################################
-FROM nginx:1.23.2 AS debian
+FROM nginx:1.23.3 AS debian
 
 RUN --mount=type=bind,from=opentracing-lib,target=/tmp/ot/ \
 	apt-get update \
@@ -22,7 +22,7 @@ RUN --mount=type=bind,from=opentracing-lib,target=/tmp/ot/ \
 
 
 ############################################# Base image for Alpine #############################################
-FROM nginx:1.23.2-alpine AS alpine
+FROM nginx:1.23.3-alpine AS alpine
 
 RUN --mount=type=bind,from=alpine-opentracing-lib,target=/tmp/ot/ \
 	apk add --no-cache libcap libstdc++ \