Bump premailer-rails gem to 1.9.7 and its dependencies to prevent network retrieval of assets

Since asset compilation was disabled in GitLab 9.3, the premailer-rails gem would fall back to fetching assets via HTTP(s) since the Sidekiq working directory was not the Rails root. In some instances, SSL verification would fail, preventing e-mails from being sent.

premailer-rails 1.9.7 has a fix (https://github.com/fphilipe/premailer-rails/pull/195) that uses an absolute directory to load assets from the filesystem so that the assets can be fetched locally instead of over the network.

Closes #34231 (closed)

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• e935d2ec - Bump premailer-rails gem to 1.9.7 and its dependencies to prevent network retrieval of assets

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added 1 commit

• e935d2ec - Bump premailer-rails gem to 1.9.7 and its dependencies to prevent network retrieval of assets

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approved this merge request

enabled an automatic merge when the pipeline for e935d2ec succeeds

mentioned in issue omnibus-gitlab#2527 (closed)

mentioned in commit 4fffc320

merged

Picked into 9-3-stable-patch-2. This will go into 9.3.2

mentioned in commit 10549d36

mentioned in issue #34740 (closed)

mentioned in merge request gitlab!19206 (merged)

mentioned in merge request gitlab!21567 (closed)

mentioned in issue gitlab#195514 (closed)