ci(ios): update workflow environment (#304)

Author: erisu

.github/workflows/ios.yml

@@ -23,6 +23,7 @@ on:
       - '**.md'
       - 'LICENSE'
       - '.eslint*'
+
   pull_request:
     paths-ignore:
       - '**.md'
@@ -50,18 +51,18 @@ jobs:
     strategy:
       matrix:
         versions:
-          - os-version: macos-12
-            ios-version: 15.x
-            xcode-version: 13.x
-
-          - os-version: macos-14
+          - os-version: macos-13
             ios-version: 16.x
             xcode-version: 14.x
 
           - os-version: macos-14
             ios-version: 17.x
             xcode-version: 15.x
 
+          - os-version: macos-15
+            ios-version: 18.x
+            xcode-version: 16.x
+
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4