Removing minor iOS version filter value from ci.yaml (#105059)

diff --git a/.ci.yaml b/.ci.yaml
index 1eb046f..154de6a 100644
--- a/.ci.yaml
+++ b/.ci.yaml
@@ -86,7 +86,7 @@
         ]
       os: Mac-12
       cpu: x86
-      device_os: iOS-15.1
+      device_os: iOS-15
       xcode: 13f17a
   mac_arm64_ios:
     properties:
@@ -98,7 +98,7 @@
         ]
       os: Mac-12
       cpu: arm64
-      device_os: iOS-15.1
+      device_os: iOS-15
       xcode: 13f17a
   windows:
     properties: