Merge commit '00ccdc1d3d71d5e5b8e565c12123e9d2f0bf9a40'

Author: Mirroring

.vsts-ci.yml

@@ -117,7 +117,7 @@ extends:
           enableInternalSources: true
           platform:
             name: 'Managed'
-            container: 'mcr.microsoft.com/dotnet-buildtools/prereqs:centos-stream8'
+            container: 'mcr.microsoft.com/dotnet-buildtools/prereqs:centos-stream9'
       - ${{ if or(eq(variables['System.TeamProject'], 'public'), in(variables['Build.Reason'], 'PullRequest')) }}:
         - template: /eng/build.yml@self
           parameters:

.vsts-pr.yml

@@ -90,7 +90,7 @@ stages:
       enableInternalSources: true
       platform:
         name: 'Managed'
-        container: 'mcr.microsoft.com/dotnet-buildtools/prereqs:centos-stream8'
+        container: 'mcr.microsoft.com/dotnet-buildtools/prereqs:centos-stream9'
   - ${{ if or(eq(variables['System.TeamProject'], 'public'), in(variables['Build.Reason'], 'PullRequest')) }}:
     - template: /eng/build-pr.yml
       parameters: