Fix 63 CI to run on all stable branches (#734)

* Add nullability checks (#704)

* Update RCTCxxBridge.mm

* add nullability checks

* CI should run on PRs to future stable branches (#718)

Co-authored-by: Andrew Coates <[email protected]>

Author: HeyImChris

.ado/apple-pr.yml

@@ -10,7 +10,7 @@ pr:
   branches:
     include:
       - master
-      - 0.59-stable
+      - '*-stable'
   paths:
     exclude:
       - '*.md'