Run pytest GitHub Action on an ARM processor (#3619)

diff --git a/.github/workflows/codespell-private.yml b/.github/workflows/codespell-private.yml
index 44d2d11..b77b2aa 100644
--- a/.github/workflows/codespell-private.yml
+++ b/.github/workflows/codespell-private.yml
@@ -14,7 +14,7 @@
       REQUIRE_ASPELL: true
       RUFF_OUTPUT_FORMAT: github
     # Make sure we're using the latest aspell dictionary
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04-arm
     timeout-minutes: 10
     strategy:
       fail-fast: false