Add jq to reticulum-builder

Author: Taucher2003

build-images/reticulum-builder.Dockerfile

@@ -2,6 +2,6 @@ FROM docker:28.5.0
 LABEL org.opencontainers.image.source=https://github.com/code0-tech/monoceros
 ARG RUBY_VERSION
 
-RUN apk add bash curl tar build-base tzdata zlib-dev perl linux-headers libffi readline yaml-dev mise libc6-compat
+RUN apk add bash curl tar build-base tzdata zlib-dev perl linux-headers libffi readline yaml-dev mise libc6-compat jq
 RUN mise install-into ruby@$RUBY_VERSION /usr/local/share/ruby
 ENV PATH=/usr/local/share/ruby/bin:$PATH