Update eng/pipelines/pr.yml

Co-authored-by: Wes Haggard <weshaggard@users.noreply.github.com>

Author: hallipr

eng/pipelines/pr.yml

@@ -11,7 +11,7 @@ parameters:
     default: auto
 
 extends:
-  template: ./templates/stages/archetype-sdk-client.yml
+  template: /eng/pipelines/templates/stages/archetype-sdk-client.yml
   parameters:
     ServiceDirectory: ${{ parameters.Service }}
     BuildTargetingString: "*"