Bump opentracing/nginx-opentracing from nginx-1.23.0 to nginx-1.23.1 …

…in /build (#2879)

* Bump opentracing/nginx-opentracing in /build

Bumps opentracing/nginx-opentracing from nginx-1.23.0 to nginx-1.23.1.

---
updated-dependencies:
- dependency-name: opentracing/nginx-opentracing
  dependency-type: direct:production
...

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

* add alpine back

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

build/Dockerfile

@@ -6,8 +6,8 @@ ARG DEBIAN_VERSION=bullseye-slim
 
 
 ############################################# Base images containing libs for Opentracing #############################################
-FROM opentracing/nginx-opentracing:nginx-1.23.0 as opentracing-lib
-FROM opentracing/nginx-opentracing:nginx-1.23.0-alpine as alpine-opentracing-lib
+FROM opentracing/nginx-opentracing:nginx-1.23.1 as opentracing-lib
+FROM opentracing/nginx-opentracing:nginx-1.23.1-alpine as alpine-opentracing-lib
 
 
 ############################################# Base image for Debian #############################################