Merge pull request #246 from giginet/ci-xcode-26

[CI] Test with Xcode 26

Author: ikesyo

.github/workflows/tests.yml

@@ -9,11 +9,12 @@ on:
       - '*'
 jobs:
   Tests:
-    timeout-minutes: 15
+    timeout-minutes: 20
     strategy:
       matrix:
         xcode_version:
           - "16.4" # 6.1.2
+          - "26.0.1" # 6.2
     env:
       DEVELOPER_DIR: "/Applications/Xcode_${{ matrix.xcode_version }}.app/Contents/Developer"
     runs-on: macos-15