new crack at build matrix

verified this one with a model of the behavior in github's docs.  would
be cool if I knew how to get github to print the job configurations
before the job actually runs

.github/workflows/build.yaml

@@ -594,28 +594,30 @@ jobs:
                     - macos-13
                     - macos-14
                     - windows-2022
+                arch:
+                    - x86_64
+                    - aarch64
                 python-version:
                     - 3.9
                     # - 3.12
                 node-version: [20.x]
                 is-release:
                     - ${{ startsWith(github.ref, 'refs/tags/v') }}
-                include:
-                    - os: ubuntu-22.04
-                      arch: x86_64
-                    - os: macos-13
-                      arch: x86_64
-                    - os: macos-14
-                      arch: aarch64
-                    - os: windows-2022
-                      arch: x86_64
                 exclude:
                     - os: macos-13
                       is-release: false
                     - os: macos-14
                       is-release: false
                     - os: windows-2022
                       is-release: false
+                    - os: macos-13
+                      arch: aarch64
+                    - os: macos-14
+                      arch: x86_64
+                    - os: windows-2022
+                      arch: aarch64
+                    - os: ubuntu-22.04
+                      arch: aarch64
         steps:
             - name: Checkout
               uses: actions/checkout@v4