Don't fail when codecov.io flakes.

Author: Julian

.github/workflows/coverage.yml

@@ -20,6 +20,8 @@ jobs:
     - name: Install tox
       run: python -m pip install tox
     - name: Collect & Upload Coverage
+      # codecov.io is too flaky to fail for this right now
+      continue-on-error: true
       run: python -m tox -e pypy3-format-codecov
       env:
         CODECOV_TOKEN: 2b38dae1-41c4-4435-a29d-79a1299e5617