ops: use macos-15-intel instead of macos-13 (#1329)

Author: georgeh0

.github/workflows/_test.yml

@@ -18,7 +18,7 @@ jobs:
                   - { runner: ubuntu-latest, python_exec: ".venv/bin/python" }
                   - { runner: ubuntu-24.04-arm, python_exec: ".venv/bin/python" }
                   - { runner: macos-latest, python_exec: ".venv/bin/python", extra_rustflags: "-C split-debuginfo=off"}
-                  - { runner: macos-13, python_exec: ".venv/bin/python", extra_rustflags: "-C split-debuginfo=off"}
+                  - { runner: macos-15-intel, python_exec: ".venv/bin/python", extra_rustflags: "-C split-debuginfo=off"}
                   - { runner: windows-latest, python_exec: ".venv\\Scripts\\python" }
         runs-on: ${{ matrix.platform.runner }}
         env:

.github/workflows/release.yml

@@ -46,7 +46,7 @@ jobs:
           - { os: linux, runner: ubuntu-latest, target: x86_64, container: "ghcr.io/rust-cross/manylinux_2_28-cross:x86_64" }
           - { os: linux, runner: ubuntu-24.04-arm, target: aarch64, container: "ghcr.io/rust-cross/manylinux_2_28-cross:aarch64" }
           - { os: macos, runner: macos-latest, target: aarch64 }
-          - { os: macos, runner: macos-13, target: x86_64 }
+          - { os: macos, runner: macos-15-intel, target: x86_64 }
           - { os: windows, runner: windows-latest, target: x64 }
     steps:
       - uses: actions/checkout@v4