fix: use supported Intel macOS release runner

The previous retry used macos-13 for x86_64 validation, but that configuration is not available for this repository. Switch the x86_64 release build and smoke test to the supported macos-15-intel runner before recreating v1.0.0 again.

Author: YuminosukeSato

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
             target: aarch64
           - os: macos-14
             target: aarch64
-          - os: macos-13
+          - os: macos-15-intel
             target: x86_64
           - os: windows-latest
             target: x64
@@ -65,7 +65,7 @@ jobs:
             target: x86_64
           - os: macos-14
             target: aarch64
-          - os: macos-13
+          - os: macos-15-intel
             target: x86_64
           - os: windows-latest
             target: x64