Migrate Packaging Builders to .ci.yaml

.ci.yaml

@@ -4620,6 +4620,46 @@ targets:
         ["devicelab", "hostonly", "mac"]
       task_name: flutter_tool_startup__macos
 
+  - name: Linux flutter_packaging_beta_linux
+    recipe: packaging/packaging
+    scheduler: release
+    bringup: true
+    enabled_branches:
+      - beta
+    properties:
+      task_name: flutter_packaging_beta_linux
+
+
+  - name: Mac flutter_packaging_beta_mac
+    recipe: packaging/packaging
+    scheduler: release
+    bringup: true
+    enabled_branches:
+      - beta
+    properties:
+      task_name: flutter_packaging_beta_mac
+
+
+  - name: Mac_arm64 flutter_packaging_beta_mac_arm64
+    recipe: packaging/packaging
+    scheduler: release
+    bringup: true
+    enabled_branches:
+      - beta
+    properties:
+      task_name: flutter_packaging_beta_mac_arm64
+
+
+  - name: Windows flutter_packaging_beta_win
+    recipe: packaging/packaging
+    scheduler: release
+    bringup: true
+    enabled_branches:
+      - beta
+    properties:
+      task_name: flutter_packaging_beta_win
+
+
   # TODO(drewroengoogle): Remove this target when the release scheduler is
   # confirmed to be working correctly and as intended.
   # (https://github.com/flutter/flutter/issues/100806)

TESTOWNERS

@@ -301,3 +301,9 @@
 # skp_generator @Hixie
 # test_ownership @keyonghan
 # verify_binaries_codesigned @christopherfujino @flutter/releases
+
+## Packaging builders tests
+flutter_packaging_beta_linux @godofredoc @flutter/infra
+flutter_packaging_beta_mac @godofredoc @flutter/infra
+flutter_packaging_beta_mac_arm64 @godofredoc @flutter/infra
+flutter_packaging_beta_win @godofredoc @flutter/infra