build(deps): bump golang from 1.13.4-buster to 1.13.5-buster
build(deps): bump golang from 1.13.4-buster to 1.13.5-buster

Bumps golang from 1.13.4-buster to 1.13.5-buster.

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
mozilla-services/autograph,mozilla-services/autograph,mozilla-services/autograph