[stable] tree: promote changes from testing at cad432926095b9d1a1723bd5188f96930b839dd6

[coreosbot-releng]

Triggered by @dustymabe in coreos/fedora-coreos-streams#809.

[jlebon]

$ git diff upstream/testing | cat
diff --git a/manifest.yaml b/manifest.yaml
index d3c24364..9a46b85a 100644
--- a/manifest.yaml
+++ b/manifest.yaml
@@ -1,5 +1,5 @@
 variables:
-  stream: testing
+  stream: stable
   prod: true

 releasever: 39

[dustymabe]

The "unexpected change" is releasever: 39, which we are doing this round because we are promoting to Fedora 39 🎉