Enable Branch nytian/dfv3-release-rc.2 at build CI for SC Hotfix (#3088)

* Update code-mirror.yml

* Update official-build.yml

* Update code-mirror.yml

* Update official-build.yml

Author: nytian

eng/ci/code-mirror.yml

@@ -6,7 +6,7 @@ trigger:
     - main
     - dev
     - v2.x
-    - nytian/grpclog
+    - nytian/dfv3-release-rc.2
 
 resources:
   repositories:

eng/ci/official-build.yml

@@ -8,7 +8,7 @@ trigger:
             - main
             - dev
             - v2.x
-            - nytian/grpclog
+            - nytian/dfv3-release-rc.2
 
 # CI only, does not trigger on PRs.
 pr: none
@@ -48,4 +48,4 @@ extends:
             - stage: BuildAndSign
               dependsOn: []
               jobs:
-                  - template: /eng/templates/build.yml@self
+                  - template: /eng/templates/build.yml@self