Drop 3.7 from aarch

Author: mwcraig

.github/workflows/build.yml

@@ -82,7 +82,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [cp37-cp37m, cp38-cp38, cp39-cp39, cp310-cp310, cp311-cp311, cp312-cp312]
+        python-version: [cp38-cp38, cp39-cp39, cp310-cp310, cp311-cp311, cp312-cp312]
     runs-on: ubuntu-latest
     env:
       py: /opt/python/${{ matrix.python-version }}/bin/python