ci: switch to macOS 15 runner

Remove outdated and duplicated macOS 13 runner.
Switch to macOS 15 runner: github/roadmap#986

Author: Bambooin

.github/workflows/commit-ci.yml

@@ -15,10 +15,7 @@ jobs:
       matrix:
         os:
           - ubuntu-24.04
-          # macOS x86
-          - macos-13
-          # macOS M1
-          - macos-14
+          - macos-15
           - windows-2022
     env:
       BUILD_ABI: armeabi-v7a,arm64-v8a,x86,x86_64

.github/workflows/pull-request-ci.yml

@@ -22,10 +22,7 @@ jobs:
       matrix:
         os:
           - ubuntu-24.04
-          # macOS x86
-          - macos-13
-          # macOS M1
-          - macos-14
+          - macos-15
           - windows-2022
     env:
       BUILD_ABI: armeabi-v7a,arm64-v8a,x86,x86_64