Migrating to env file
Migrating to env file

See https://github.blog/changelog/2020-10-01-github-actions-deprecating-set-env-and-add-path-commands/

Signed-off-by: Sylvain Hellegouarch <16795633e2c1543064a3ad70ac3ba71d3d589b3b@defuze.org>

chaostoolkit/chaostoolkit