-Build all: use 1ES Official template

eng/pipelines/build-all-lib.yml

@@ -45,7 +45,7 @@ extends:
   # For non-production pipelines, use "Unofficial" as defined below.
   # For productions pipelines, use "Official".
   #template: v1/1ES.Unofficial.PipelineTemplate.yml@1esPipelines
-  template: azure-pipelines/MicroBuild.1ES.Unofficial.yml@MicroBuildTemplate
+  template: azure-pipelines/MicroBuild.1ES.Official.yml@MicroBuildTemplate
   parameters:
     # Update the pool with your team's 1ES hosted pool.
     pool: