ci: 修复 Jenkinsfile ICU 缺失问题，启用 GlobalizationInvariant

Jenkinsfile

@@ -4,6 +4,7 @@ pipeline {
     environment {
         DOTNET_CLI_TELEMETRY_OPTOUT = '1'
         DOTNET_ROOT = '/var/jenkins_home/.dotnet'
+        DOTNET_SYSTEM_GLOBALIZATION_INVARIANT = '1'
         PATH = "${env.DOTNET_ROOT}:${env.PATH}"
     }
 
@@ -15,8 +16,6 @@ pipeline {
                         echo "=== Installing .NET 10 SDK ==="
                         mkdir -p $DOTNET_ROOT
                         curl -sSL https://dot.net/v1/dotnet-install.sh | bash /dev/stdin --channel 10.0 --install-dir $DOTNET_ROOT
-                    else
-                        echo ".NET SDK already installed"
                     fi
                     dotnet --version
                 '''
@@ -46,7 +45,7 @@ pipeline {
             echo 'Build failed!'
         }
         always {
-            cleanWs()
+            deleteDir()
         }
     }
 }