Add Remaining Packaging Builders (#116683)

* add stable packaging builders

* update testowners

* consolidate and use enabled_branches

* update to reflect the consolidation

.ci.yaml

@@ -4630,54 +4630,57 @@ targets:
         ["devicelab", "hostonly", "mac"]
       task_name: flutter_tool_startup__macos
 
-  - name: Linux flutter_packaging_beta
+  - name: Linux flutter_packaging
     recipe: packaging_v2/packaging_v2
     timeout: 60
     scheduler: release
     bringup: true
     enabled_branches:
       - beta
+      - stable
     properties:
-      task_name: flutter_packaging_beta
+      task_name: flutter_packaging
       tags: >
         ["framework", "hostonly", "shard", "linux"]
 
-
-  - name: Mac flutter_packaging_beta
+  - name: Mac flutter_packaging
     recipe: packaging_v2/packaging_v2
     timeout: 60
     scheduler: release
     bringup: true
     enabled_branches:
       - beta
+      - stable
     properties:
-      task_name: flutter_packaging_beta
+      task_name: flutter_packaging
       tags: >
         ["framework", "hostonly", "shard", "mac"]
 
 
-  - name: Mac_arm64 flutter_packaging_beta
+  - name: Mac_arm64 flutter_packaging
     recipe: packaging_v2/packaging_v2
     timeout: 60
     scheduler: release
     bringup: true
     enabled_branches:
       - beta
+      - stable
     properties:
-      task_name: flutter_packaging_beta
+      task_name: flutter_packaging
       tags: >
         ["framework", "hostonly", "shard", "mac"]
 
 
-  - name: Windows flutter_packaging_beta
+  - name: Windows flutter_packaging
     recipe: packaging_v2/packaging_v2
     timeout: 60
     scheduler: release
     bringup: true
     enabled_branches:
       - beta
+      - stable
     properties:
-      task_name: flutter_packaging_beta
+      task_name: flutter_packaging
       tags: >
         ["framework", "hostonly", "shard", "windows"]
 

TESTOWNERS

@@ -302,4 +302,4 @@
 # skp_generator @Hixie
 # test_ownership @keyonghan
 # verify_binaries_codesigned @christopherfujino @flutter/releases
-# flutter_packaging_beta @godofredoc @flutter/infra
+# flutter_packaging @godofredoc @flutter/infra