Try using larger runners for macOS.

`macos-14` is ARM64 and doesn't seem to have Python 3.8 or 3.9.
For now, specify `macos-*-large` instead, which is X64 and will
hopefully keep working long enough for us to keep getting by...

Change-Id: Id70641ccee65f638ff1fd36a778d563aaf5d78d6
Reviewed-on: https://code-review.googlesource.com/c/re2/+/62570
Reviewed-by: Alex Chernyakhovsky <achernya@google.com>
Reviewed-by: Paul Wankadia <junyer@google.com>
diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index e6f45ac..a4f971f 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -64,7 +64,7 @@
           retention-days: 1
   wheel-macos:
     name: macOS ${{ matrix.os }}, ${{ matrix.arch.name }}, Python ${{ matrix.ver }}
-    runs-on: macos-${{ matrix.os }}
+    runs-on: macos-${{ matrix.os }}-large
     strategy:
       fail-fast: false
       matrix: