Bug 1943640 - part 3: Attribute stub installers instead of full ones r=bhearsum,taskgraph-reviewers,releng-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D235756

taskcluster/gecko_taskgraph/transforms/partner_attribution.py

@@ -149,8 +149,8 @@ def _get_output_path(
 
 
 def _get_artifact_file_name(platform):
-    if platform.startswith("win"):
-        return "target.installer.exe"
+    if platform.startswith("win32"):
+        return "target.stub-installer.exe"
     elif platform.startswith("macos"):
         return "target.dmg"
     else:

taskcluster/kinds/release-partner-attribution/kind.yml

@@ -44,8 +44,7 @@ task-defaults:
 tasks:
     win:
         platforms:
-            - win64-shippable
-            - win32-shippable
+            - win32-shippable   # Stub installer only
         run:
             using: mach
             mach: python python/mozrelease/mozrelease/attribute_builds.py