Release 0.6.3

Update pypi-upload.yml

Release 0.6.1 which includes a fix of #58

v0.6.0 accidentally didn't include the fix of #58.
Let's make a new release containing the fix.

Update changelog

Release v0.5.0

Create new release

Adapt to api change in pytest-6.0

THe _importconftest method got a new kwarg in pytest-6.0.

Release 0.3

Relase 0.2.2

Release 0.2.1