Synapse v2.173.1

This release also includes the changes from v2.173.0, which was not released
due to an issue with CI pipelines.

Model Changes

• Updates to the ou, plan, and ps models.
  (#3772 <https://github.com/vertexproject/synapse/pull/3772>)
  (#3773 <https://github.com/vertexproject/synapse/pull/3773>)

  New Properties

  ou:conference
  The form had the following property added to it:

  names
  An array of alternate names for the conference.

  ps:contact
  The form had the following property added to it:

  titles
  An array of alternate titles for the contact.

  Light Edges

  uses
  When used with a plan:procedure:step node, the edge indicates the
  step in the procedure makes use of the target node.

Bugfixes

• Fix a bug in the view.merge optimizations from v2.172.0 where deny
  rules were not properly accounted for when checking for fast paths on the
  node permission hierarchy.
  (#3771 <https://github.com/vertexproject/synapse/pull/3771>_)

For complete changelog entries, see the following https://synapse.docs.vertex.link/en/latest/synapse/changelog.html