Convert code-mirror.yml to 1ES template format

Co-authored-by: torosent <17064840+torosent@users.noreply.github.com>

Author: Copilot

eng/ci/code-mirror.yml

@@ -1,19 +1,36 @@
+variables:
+  - template: ci/variables/cfs.yml@eng
+
 trigger:
   branches:
     include:
     # These are the branches we'll mirror to our internal ADO instance
     # Keep this set limited as appropriate (don't mirror individual user branches).
     - main
 
+# CI only, does not trigger on PRs.
+pr: none
+
 resources:
   repositories:
-  - repository: eng
-    type: git
-    name: engineering
-    ref: refs/tags/release
-
-variables:
-  - template: ci/variables/cfs.yml@eng
+    - repository: 1es
+      type: git
+      name: 1ESPipelineTemplates/1ESPipelineTemplates
+      ref: refs/tags/release
+    - repository: eng
+      type: git
+      name: engineering
+      ref: refs/tags/release
 
 extends:
-  template: ci/code-mirror.yml@eng
+  template: v1/1ES.Official.PipelineTemplate.yml@1es
+  parameters:
+    pool:
+      name: 1es-pool-azfunc
+      image: 1es-windows-2022
+      os: windows
+    sdl:
+      spotBugs:
+        enabled: false
+    stages:
+      - template: ci/code-mirror.yml@eng