[flutter_releases] Removing minor iOS version filter value from ci.yaml (#105059) (#105629)

diff --git a/.ci.yaml b/.ci.yaml
index 240be0f..bd3dc36 100755
--- a/.ci.yaml
+++ b/.ci.yaml
@@ -129,7 +129,7 @@
         ]
       os: Mac-12
       cpu: x86
-      device_os: iOS-15.1
+      device_os: iOS-15
       xcode: 13a233
   windows:
     properties: