Merge pull request #1299 from SylvainCorlay/update-mamba-1.4.9

Update conda and mamba

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

@@ -5,8 +5,8 @@ set -ex
 
 cd $(dirname $0)
 
-export MAMBA_VERSION=1.4.0
-export CONDA_VERSION=23.1.0
+export MAMBA_VERSION=1.4.9
+export CONDA_VERSION=23.5.2
 
 URL="https://anaconda.org/conda-forge/micromamba/${MAMBA_VERSION}/download/${CONDA_PLATFORM}/micromamba-${MAMBA_VERSION}-0.tar.bz2"
 

tests/conda/py35-binder-dir/verify

@@ -16,13 +16,13 @@ v = out.split()[1]
 assert v[:3] == "3.5", out
 
 out = sh(["micromamba", "--version"])
-assert out == "1.4.0", out
+assert out == "1.4.9", out
 
 out = sh(["mamba", "--version"])
 assert (
     out
-    == """mamba 1.4.0
-conda 23.1.0"""
+    == """mamba 1.4.9
+conda 23.5.2"""
 ), out
 
 sh([kernel_python, "-c", "import numpy"])