Update mamba

repo2docker/buildpacks/conda/install-base-env.bash

@@ -5,8 +5,8 @@ set -ex
 
 cd $(dirname $0)
 
-export MAMBA_VERSION=0.19.1
-export CONDA_VERSION=4.11.0
+export MAMBA_VERSION=0.25.0
+export CONDA_VERSION=4.13.0
 
 URL="https://anaconda.org/conda-forge/micromamba/${MAMBA_VERSION}/download/linux-64/micromamba-${MAMBA_VERSION}-0.tar.bz2"
 

tests/conda/binder-dir/verify

@@ -5,17 +5,13 @@ from subprocess import check_output
 assert sys.version_info[:2] == (3, 5), sys.version
 
 out = check_output(["micromamba", "--version"]).decode("utf8").strip()
-assert (
-    out
-    == """micromamba: 0.19.1
-libmamba: 0.19.1"""
-), out
+assert out == "0.25.0", out
 
 out = check_output(["mamba", "--version"]).decode("utf8").strip()
 assert (
     out
-    == """mamba 0.19.1
-conda 4.11.0"""
+    == """mamba 0.25.0
+conda 4.13.0"""
 ), out
 
 import numpy