build: fix signing

Signed-off-by: Adam Setch <[email protected]>

Author: setchy

.github/workflows/ci.yml

@@ -6,7 +6,7 @@ on:
       - main
       - 'release/v**'
   pull_request:
-    branches-ignore: 'release/v**'
+    branches-ignore: 'release/v**' # macOS code-signing only works on `push` events, not `pull_request` events
 
 jobs:
   lint: