The OpenStack Client plugin documentation in osc_plugin_cli.rst
incorrectly uses OS_TENANT_NAME as an example for environment
variable.
This patch updates it to OS_PROJECT_NAME to match current OpenStack
conventions and ensure consistency.
Closes-Bug: #2146286
Change-Id: Ie49a5ee798225357223de55c4fa2dddec85a7acf
Signed-off-by: Denver Baraka <denverbaraka@gmail.com>
e4a56ac5fc