Update Urbit to v2.3 (#521)

urbit/docker-compose.yml

@@ -7,7 +7,7 @@ services:
       PROXY_AUTH_ADD: "false"
   
   manager:
-    image: mopfelwinrux/urbit-umbrel:v2.2@sha256:936b83f6047bb70889a2c154b1fe8b915702affa050fb0ef7b533cceb16c7093
+    image: mopfelwinrux/urbit-umbrel:v2.3@sha256:c7cd63a45aeac137e6de021afd310e25e0b4d8af03d513cc0fa7d1600007ae87
     ports:
       - "34343:34343"
     volumes:

urbit/umbrel-app.yml

@@ -2,7 +2,7 @@ manifestVersion: 1
 id: urbit
 category: Networking
 name: Urbit
-version: "v2.2"
+version: "v2.3"
 tagline: Run Urbit on your Umbrel
 description: >-
   Urbit is a personal server for self-sovereign personal & networked
@@ -35,11 +35,9 @@ torOnly: false
 submitter: ~mopfel-winrux
 submission: https://github.com/getumbrel/umbrel/pull/1246
 releaseNotes: >-
-  -   Includes click, a thin client for interacting with khan/conn (control plane). See this excellent writeup by the feature’s author, ~finmep-lanteb, for more details on the rationale.
+  This release declares compatibility with the upcoming kelvin 413
+  release. It features the addition of JSON jetting, eyre caches and
+  runtime support for remote scry.
 
-  -   Adds a CLI option to configure the time between snapshots.
 
-  -   Changes the placement of auto-docking in the boot sequence.
-  
-  
-  Full release notes here: https://github.com/urbit/vere/releases/tag/vere-v2.2
+  Full release notes here: https://github.com/urbit/vere/releases/tag/vere-v2.3