ci: update macos runner images (#4967)

Add macos-15 runners. Remove the deprecated macos-13 runners.

Fixes: https://github.com/libuv/libuv/issues/4965
Refs: https://github.com/actions/runner-images/issues/10924

.github/workflows/CI-unix.yml

@@ -80,7 +80,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-13, macos-14]
+        os: [macos-14, macos-15]
     steps:
       - uses: actions/checkout@v4
       - name: Envinfo
@@ -109,6 +109,11 @@ jobs:
         run: |
           ./build/uv_run_tests_a platform_output
       - name: Test
+        if: ${{ maxtrix.os == 'macos-15' }}
+        run: |
+          cd build && sudo UV_RUN_AS_ROOT=1 ctest -V
+      - name: Test
+        if: ${{ maxtrix.os != 'macos-15' }}
         run: |
           cd build && ctest -V
       - name: Autotools configure
@@ -124,7 +129,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-13, macos-14]
+        os: [macos-14, macos-15]
     steps:
       - uses: actions/checkout@v4
       - name: Configure

.github/workflows/sanitizer.yml

@@ -68,6 +68,18 @@ jobs:
 
   sanitizers-macos:
     runs-on: macos-14
+<<<<<<< HEAD
+=======
+    strategy:
+      matrix:
+        config:
+          - name: ASAN
+            flags: -DASAN=ON -DCMAKE_BUILD_TYPE=Debug
+          - name: TSAN
+            flags: -DTSAN=ON -DCMAKE_BUILD_TYPE=Release
+          - name: UBSAN
+            flags: -DUBSAN=ON -DCMAKE_BUILD_TYPE=Debug
+>>>>>>> 4eefcbeb (ci: update macos runner images (#4967))
     steps:
       - uses: actions/checkout@v4