.github/common.env: Update to latest buildstream container image

Author: jjardon

.github/common.env

@@ -1,6 +1,6 @@
 # Shared common variables
 
-CI_IMAGE_VERSION=master-241289109
+CI_IMAGE_VERSION=master-359695845
 CI_TOXENV_MAIN=py36,py37,py38-nocover,py39-nocover
 CI_TOXENV_PLUGINS=py36-plugins,py37-plugins,py38-plugins-nocover,py39-plugins-nocover
 CI_TOXENV_ALL="${CI_TOXENV_MAIN},${CI_TOXENV_PLUGINS}"