use ubuntu 20.04 to run rc pipeline

2022-11-28 15:53:20 +08:00 · 2022-11-28 15:53:20 +08:00 · e7877dcc84
--- a/.azure-pipelines/vscode-gradle-rc.yml
+++ b/.azure-pipelines/vscode-gradle-rc.yml
@ -7,7 +7,7 @@ trigger: none
 pr: none

 pool:
-  vmImage: 'ubuntu-latest'
+  vmImage: 'ubuntu-20.04'

 steps:
 - task: JavaToolInstaller@0