Updated standalone yamato build test to using new ml-agents ubuntu ci bokken image.

Author: Miguel Alonso Jr

.yamato/standalone-build-test.yml

@@ -5,7 +5,7 @@ test_linux_standalone_{{ editor.version }}_{{ editor.extra_test }}:
   name: Test Linux Standalone {{ editor.version }} {{ editor.extra_test }}
   agent:
     type: Unity::VM
-    image: ml-agents/ml-agents-ubuntu-18.04:latest
+    image: ml-agents/ubuntu-ci:v1.0.0
     flavor: b1.large
   variables:
     UNITY_VERSION: {{ editor.version }}

com.unity.ml-agents/CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to
 ## [3.0.0] - 2024-09-02
 ### Major Changes
 #### com.unity.ml-agents / com.unity.ml-agents.extensions (C#)
+- Upgraded to Sentis 2.1.0 ()
 - Upgraded to Sentis 2.0.0 (#6137)
 - Upgraded to Sentis 1.3.0-pre.3 (#6070)
 - Upgraded to Sentis 1.3.0-exp.2 (#6013)