ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636

You are using a micromamba version < 1.4.5-0 and initialize the shell. This is behavior is deprecated. Please update the micromamba version. For further informations, see https://github.com/mamba-org/setup-micromamba/pull/107