Dependencies updated

Changelog

• Dependencies are updated, with the following changes (see the associated releases for more):
  • train can take trx.mat files as training data
  • --balancing-strategy admits max:<n>
• Docker images based on julia-1.9.2

recipes/Dockerfile

-FROM julia:1.9.1-bullseye AS base
+FROM julia:1.9.2-bullseye AS base
 
 ARG PROJECT_DIR=/app
 ARG BRANCH=main