chore: Exclude editor version 2021.2 from version list for testing (#603)

Author: karasusan

.yamato/meta/environments.yml

@@ -5,7 +5,7 @@ intra_pypi_url: https://artifactory.prd.it.unity3d.com/artifactory/api/pypi/pypi
 editors:
   - version: 2019.4
   - version: 2020.3
-  - version: 2021.1
+  - version: 2021.2
 platforms:
   - name: win
     type: Unity::VM::GPU

.yamato/upm-ci-renderstreaming-packages.yml

@@ -400,6 +400,8 @@ publish_{{ package.name }}:
   dependencies:
     - .yamato/upm-ci-renderstreaming-packages.yml#pack_{{ package.name }}
 {% for editor in editors %}
+{% if editor.version != "2021.2" -%} # exclude editor version 2021.2
     - .yamato/upm-ci-renderstreaming-packages.yml#trigger_test_{{ package.name }}_{{ editor.version }}
+{% endif %}
 {% endfor %}
 {% endfor %}