Merge branch 'upgrade-mamba-boa' into 'master'

[mamba] update mamba and boa versions

See merge request !279

bob/devtools/bootstrap.py

@@ -510,8 +510,8 @@ if __name__ == "__main__":
 
     conda_version = "4"
     conda_build_version = "3"
-    mamba_version = "0.15"
-    boa_version = "0.6"
+    mamba_version = "0.21"
+    boa_version = "0.9"
 
     conda_verbosity = []
     # if args.verbose >= 2:

conda/meta.yaml

@@ -33,8 +33,8 @@ requirements:
     - click-plugins
     - conda=4
     - conda-build=3
-    - mamba=0.15
-    - boa=0.6
+    - mamba=0.21
+    - boa=0.9
     - certifi
     - docformatter
     - git  # [linux]