Update Conda to 4.12.0

defaults/main.yml

 ---
-conda_version: 4.8.4
+conda_version: 4.12.0
 conda_owner: root
 conda_group: root
 conda_channel_alias: https://artifactory.esss.lu.se/artifactory/api/conda

vars/main.yml

 ---
-conda_installer: Miniconda3-4.6.14-Linux-x86_64.sh
-conda_installer_md5: 718259965f234088d785cad1fbd7de03
+conda_installer: Miniconda3-py39_4.12.0-Linux-x86_64.sh
+conda_installer_md5: 7843dd7d0a2c53b0df37ca8189672992
 conda_installer_url: "https://artifactory.esss.lu.se/artifactory/swi-pkg/anaconda/{{ conda_installer }}"
 conda_path: /opt/conda