CI: Switch to large for circleci (pandas-dev#48180)

Author: phofl

.circleci/config.yml

@@ -4,7 +4,7 @@ jobs:
   test-arm:
     machine:
       image: ubuntu-2004:202101-01
-    resource_class: arm.medium
+    resource_class: arm.large
     environment:
       ENV_FILE: ci/deps/circle-38-arm64.yaml
       PYTEST_WORKERS: auto