Add validation trigger setting to pipelines (#15143)

* add configuration in yarm file for test.

* Updated yml file for CI.

Author: LucasYao93

.azure-pipelines/powershell-core.yml

@@ -10,6 +10,15 @@ variables:
   Configuration: Debug
   DebugLocalBuildTasks: true
 
+trigger: none
+
+pr:
+  branches:
+    include:
+      - '*'
+    exclude:
+      - Azs-tzl
+
 jobs:
 - job: Build
   displayName: Build

.azure-pipelines/windows-powershell.yml

@@ -6,6 +6,15 @@ variables:
   Configuration: Debug
   DebugLocalBuildTasks: true
 
+trigger: none
+
+pr:
+  branches:
+    include:
+      - '*'
+    exclude:
+      - Azs-tzl
+
 jobs:
 - job: Build
   displayName: Build