Export environment variable for edge
Export environment variable for edge

Summary: Edge looks for S3 namespace from environment variables. We only source, but we don't export so they aren't available to edge. This fixes that issue.

Test Plan: Tested on integration and verified namespace on S3

Reviewers: ojcm

Reviewed By: ojcm

Subscribers: clgroft, #scieng

Differential Revision: https://phabricator.internal.justin.tv/D4764

twitchscience/spade_edge,twitchscience/spade_edge