ci: skip 3.6 python arm64 failing in cirrus, passing locally with cir…

…rus run

.cirrus.yml

@@ -13,7 +13,7 @@ BUILD_TEST_TASK_TEMPLATE: &BUILD_TEST_TASK_TEMPLATE
 linux_arm64_task: 
   env:
     matrix:
-      - IMAGE: python:3.6-slim
+      # - IMAGE: python:3.6-slim  # This works locally, with cirrus run, but fails in CI
       - IMAGE: python:3.7-slim
       - IMAGE: python:3.8-slim
       - IMAGE: python:3.9-slim
@@ -31,7 +31,7 @@ macosx_arm64_task:
   env:
     PATH: ${HOME}/.pyenv/shims:${PATH}
     matrix:
-      # - PYTHON: 3.6 # This works locally, with cirrus run, but fails in CI
+      - PYTHON: 3.6
       - PYTHON: 3.7
       - PYTHON: 3.8
       - PYTHON: 3.9