Display configured OIDC Issuers on Org's Management Page

[miketheman]

If an org has any custom issuers set by admins, display them on the organization's management page.

Add events to the org's History page

warehouse/warehouse/templates/manage/organization/history.html

Line 9 in 65f7039

<h2>{% trans %}Security history{% endtrans %}</h2>

- currently will display "raw" event tags with no further context.