test with ansible 2.12; ensure openssh client is installed for tests
tests: Make sure openssh client package is installed before trying to use manual page for ssh_config
support python 39, ansible-core 2.12, ansible-plugin-scan
update tox-lsr version to 2.7.1
update the tox-lsr version used in github actions tox CI
to 2.7.1
The only difference between this an 2.7.0 is that Ansible 2.12
is now GA.
Signed-off-by: Rich Megginson rmeggins@redhat.com