[3.13] pythongh-137638: Remove macos-13 from GitHub Actions

Adapted from pythonGH-137989.

Co-Authored-By: Zachary Ware <[email protected]>

Author: hugovk

.github/workflows/build.yml

@@ -255,13 +255,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # Cirrus and macos-14 are M1, macos-13 is default GHA Intel.
-        # macOS 13 only runs tests against the GIL-enabled CPython.
         # Cirrus used for upstream, macos-14 for forks.
         os:
         - ghcr.io/cirruslabs/macos-runner:sonoma
         - macos-14
-        - macos-13
         is-fork:  # only used for the exclusion trick
         - ${{ github.repository_owner != 'python' }}
         free-threading:
@@ -272,8 +269,6 @@ jobs:
           is-fork: true
         - os: macos-14
           is-fork: false
-        - os: macos-13
-          free-threading: true
     uses: ./.github/workflows/reusable-macos.yml
     with:
       config_hash: ${{ needs.build-context.outputs.config-hash }}

.github/workflows/jit.yml

@@ -56,7 +56,6 @@ jobs:
           - i686-pc-windows-msvc/msvc
           - x86_64-pc-windows-msvc/msvc
           - aarch64-pc-windows-msvc/msvc
-          - x86_64-apple-darwin/clang
           - aarch64-apple-darwin/clang
           - x86_64-unknown-linux-gnu/gcc
           - x86_64-unknown-linux-gnu/clang
@@ -80,10 +79,6 @@ jobs:
             architecture: ARM64
             runner: windows-latest
             compiler: msvc
-          - target: x86_64-apple-darwin/clang
-            architecture: x86_64
-            runner: macos-13
-            compiler: clang
           - target: aarch64-apple-darwin/clang
             architecture: aarch64
             runner: macos-14