Increase the default max_attachment_size to 100 to match GitLab.com

Everyone can contribute. Help move this issue forward while earning points, leveling up and collecting rewards.

• Work on this issue
• Close this issue

The following discussion from !103978 (merged) should be addressed:

• @phikai started a discussion:

  Settings for GitLab.com and the default settings for GitLab should match. We'll need a follow up to change the default settings.

Proposal

The max_attachment_size default value should be updated for all of GitLab to the new 100MB value that GitLab.com is going to use.