Move Apple tester workflow to fresh runner labels

evolution/proposals/BEP-0009-release-infrastructure-and-store-upload-pipeline.md

@@ -105,8 +105,10 @@ The same change also makes the forge itself the release authority: release tags
   - `namespace-profile-windows-large`
 - Use dedicated Apple distribution labels for the focused tester-distribution
   workflow so stale generic Namespace jobs cannot consume Apple release runners:
-  - `namespace-profile-linux-medium-apple`
-  - `namespace-profile-macos-large-apple`
+  - `namespace-profile-linux-medium-apple-v2`
+  - `namespace-profile-macos-large-apple-v2`
+  Label revisions are allowed when earlier accepted workflows have stale
+  queued jobs; the autoscaler should serve only the current focused label set.
 - Configure macOS Namespace targets with the Compute API CPU-by-memory shape
   format. `12x28` is the Burrow large macOS baseline; platform-prefixed values
   such as `macos/arm64:8x16` are not accepted by the macOS launcher.