Fix puppetfile name in install_all
Fix puppetfile name in install_all

r10k commands where updated in [1], and file name in install_all was
wrongly changed to Puppetfile1 instead of Puppetfile.

[1] https://review.opendev.org/#/c/726568/

Change-Id: I5edda0bac10ead8c78cc96a4b259fe52b5cc93fc

openstack/puppet-openstack-integration,openstack/puppet-openstack-integration,openstack/puppet-openstack-integration