Accepting request 760199 from home:cyphar:matrix

- Update to 1.7.3.

  * Fix exceptions caused by state resolution choking on malformed events.

  The full changelog is included in
  /usr/share/doc/packages/matrix-synapse/CHANGES.md.

OBS-URL: https://build.opensuse.org/request/show/760199
OBS-URL: https://build.opensuse.org/package/show/network:messaging:matrix/matrix-synapse?expand=0&rev=105

_service

@@ -5,7 +5,7 @@
     <param name="url">https://github.com/matrix-org/synapse.git</param>
     <param name="scm">git</param>
     <param name="versionrewrite-pattern">v(.*)</param>
-    <param name="revision">v1.7.2</param>
+    <param name="revision">v1.7.3</param>
   </service>
   <service name="set_version" mode="disabled"/>
   <service name="tar" mode="buildtime"/>