[mac OS] Update miniconda download link (#8042)

Author: vpolikarpov-akvelon

images/macos/provision/core/miniconda.sh

@@ -1,7 +1,7 @@
 #!/bin/bash -e -o pipefail
 
 MINICONDA_INSTALLER="/tmp/miniconda.sh"
-curl -fsSL https://repo.continuum.io/miniconda/Miniconda3-latest-MacOSX-x86_64.sh -o $MINICONDA_INSTALLER
+curl -fsSL https://repo.anaconda.com/miniconda/Miniconda3-latest-MacOSX-x86_64.sh -o $MINICONDA_INSTALLER
 chmod +x $MINICONDA_INSTALLER
 sudo $MINICONDA_INSTALLER -b -p /usr/local/miniconda