fix: use macos-15-intel for x86_64 build

Author: 0xallam

.github/workflows/build-release.yml

@@ -16,7 +16,7 @@ jobs:
         include:
           - os: macos-latest
             target: macos-arm64
-          - os: macos-latest
+          - os: macos-15-intel
             target: macos-x86_64
           - os: ubuntu-latest
             target: linux-x86_64
@@ -66,7 +66,7 @@ jobs:
         include:
           - os: macos-latest
             target: macos-arm64
-          - os: macos-latest
+          - os: macos-15-intel
             target: macos-x86_64
           - os: ubuntu-latest
             target: linux-x86_64