Actually use pypy to run pypy's CI

Author: cjw296

.circleci/config.yml

@@ -1,7 +1,7 @@
 version: 2.1
 
 orbs:
-  python: cjw296/python-ci@3
+  python: cjw296/python-ci@3.3
 
 jobs:
   check-package:
@@ -27,6 +27,7 @@ common: &common
 
     - python/pip-run-tests:
         matrix:
+          alias: python-tests
           parameters:
             image:
               - cimg/python:3.6
@@ -35,12 +36,17 @@ common: &common
               - cimg/python:3.9
               - cimg/python:3.10
               - cimg/python:3.11
-              - pypy:3.7-7.3.2  # https://foss.heptapod.net/pypy/pypy/-/issues/3436
+
+    - python/pip-run-tests:
+        name: pypy-tests
+        python: pypy3
+        image: pypy:3.7-7.3.2  # https://foss.heptapod.net/pypy/pypy/-/issues/3436
 
     - python/coverage:
         name: coverage
         requires:
-          - python/pip-run-tests
+          - python-tests
+          - pypy-tests
 
     - python/pip-docs:
         name: docs