ci: Enable PyPy wheels on Windows.

PyPy does not correctly define `PyErr_SetFromWindowsErr`:
https://foss.heptapod.net/pypy/pypy/-/issues/3533

Author: QuLogic

.github/workflows/cibuildwheel.yml

@@ -93,7 +93,7 @@ jobs:
           CIBW_BUILD: "pp37-*"
           CIBW_BEFORE_BUILD: pip install certifi numpy==${{ env.min-numpy-version }}
           CIBW_ARCHS: ${{ matrix.cibw_archs }}
-        if: runner.os != 'Windows' && matrix.cibw_archs != 'aarch64'
+        if: matrix.cibw_archs != 'aarch64'
 
       - name: Validate that LICENSE files are included in wheels
         run: |

src/_c_internal_utils.c

@@ -68,7 +68,13 @@ mpl_GetCurrentProcessExplicitAppUserModelID(PyObject* module)
     wchar_t* appid = NULL;
     HRESULT hr = GetCurrentProcessExplicitAppUserModelID(&appid);
     if (FAILED(hr)) {
+#if defined(PYPY_VERSION_NUM) && PYPY_VERSION_NUM < 0x07030600
+        /* Remove when we require PyPy 7.3.6 */
+        PyErr_SetFromWindowsErr(hr);
+        return NULL;
+#else
         return PyErr_SetFromWindowsErr(hr);
+#endif
     }
     PyObject* py_appid = PyUnicode_FromWideChar(appid, -1);
     CoTaskMemFree(appid);
@@ -89,7 +95,13 @@ mpl_SetCurrentProcessExplicitAppUserModelID(PyObject* module, PyObject* arg)
     HRESULT hr = SetCurrentProcessExplicitAppUserModelID(appid);
     PyMem_Free(appid);
     if (FAILED(hr)) {
+#if defined(PYPY_VERSION_NUM) && PYPY_VERSION_NUM < 0x07030600
+        /* Remove when we require PyPy 7.3.6 */
+        PyErr_SetFromWindowsErr(hr);
+        return NULL;
+#else
         return PyErr_SetFromWindowsErr(hr);
+#endif
     }
     Py_RETURN_NONE;
 #else