use macos-15-intel for build

Author: BewareMyPower

.github/workflows/ci-build-release-napi.yml

@@ -45,7 +45,7 @@ jobs:
           - "3.10"
         include:
           - arch: x64
-            os: macos-13
+            os: macos-15-intel
           - arch: arm64
             # macos-14 is used for arm64
             os: macos-14

.github/workflows/ci-pr-validation.yml

@@ -87,7 +87,7 @@ jobs:
           - "3.10"
         include:
           - arch: x64
-            os: macos-13
+            os: macos-15-intel
           - arch: arm64
             # macos-14 is used for arm64
             os: macos-14