Update CircleCI to Use M1 Resources (#156)

update circleci to use m1 resources

Author: ryehowell

.circleci/config.yml

@@ -65,7 +65,7 @@ jobs:
     <<: *env
     macos:
       xcode: 14.2.0
-    resource_class: macos.x86.medium.gen2
+    resource_class: macos.m1.medium.gen1
     steps:
       - checkout
       - attach_workspace: