Fix jenkinsfile syntax

Jenkinsfile

@@ -1,9 +1,11 @@
 pipeline {
     agent any
     options {
-        buildDiscarder {
+        buildDiscarder (
-            numToKeepStr: '5'
+            logRotator(
-        }
+                numToKeepStr: '5'        
+            )
+        )
     }
     
     stages {
@@ -12,14 +14,19 @@ pipeline {
                 label 'linux'
             }
             steps {
-                sh '''
+                script {
-                dotnet restore
+                    sh '''
-                dotnet publish LibAC.csproj --nologo -c Release --self-contained true /p:PublishSingleFile=true /p:PublishTrimmed=true
+                    dotnet restore
-                '''
+                    dotnet publish LibAC.csproj --nologo -c Release --self-contained true /p:PublishSingleFile=true /p:PublishTrimmed=true
+                    '''
+                }
+                    
             }
             
             post {
-                archiveArtifacts artifacts: "build/Release/net8.0/LibAC.dll"
+                always {
+                    archiveArtifacts artifacts: "build/Release/net8.0/LibAC.dll"
+                }
             }
         }
     }