one more fix for removing Python 3.8

Author: toloudis

.github/workflows/py-build-main.yml

@@ -10,7 +10,7 @@ env:
   CIBW_TEST_COMMAND: pytest {project}/aicspylibczi/tests
   CIBW_TEST_EXTRAS: test
   # skip python 3.6, 32-bit builds, and PyPy
-  CIBW_SKIP: cp36-* cp37-* *-win32 *-manylinux_i686 pp*
+  CIBW_SKIP: cp36-* cp37-* cp38-* *-win32 *-manylinux_i686 pp*
 
 name: Python Build Main
 jobs: