Update netcat reference

Use openbsd version as its newer and covers e.g. newer usecases like ipv6

Author: breskeby

distribution/docker/src/docker/dockerfiles/default/Dockerfile

@@ -92,7 +92,7 @@ package_manager,
   "      ${package_manager} update && \n" +
   "      ${package_manager} upgrade -y && \n" +
   "      ${package_manager} install -y --no-install-recommends \n" +
-  "        ca-certificates curl netcat p11-kit unzip zip ${docker_base == 'cloud' ? 'wget' : '' } && \n" +
+  "        ca-certificates curl netcat-openbsd p11-kit unzip zip ${docker_base == 'cloud' ? 'wget' : '' } && \n" +
   "      ${package_manager} clean && \n" +
   "      rm -rf /var/lib/apt/lists/*"
 ) %>