Fix issues related to tox4

Related to https://lists.openstack.org/pipermail/openstack-discuss/2023-February/032247.html

Change-Id: Ifa9eb53cf6989fb04047edd495c43193a00c43d3

tox.ini

@@ -1,12 +1,8 @@
 [tox]
 minversion = 3.2.0
 envlist = py3,pep8
-ignore_basepython_conflict = true
 
 [testenv]
-basepython = python3
-whitelist_externals =
-  find
 deps =
   -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
   -r{toxinidir}/test-requirements.txt
@@ -23,7 +19,7 @@ commands =
 commands = bandit -r oslo_vmware
 
 [testenv:docs]
-whitelist_externals =
+allowlist_externals =
   rm
 deps =
   {[testenv]deps}
@@ -60,7 +56,7 @@ extension =
 paths = ./oslo_vmware/hacking
 
 [testenv:releasenotes]
-whitelist_externals = rm
+allowlist_externals = rm
 deps =
   -c{env:TOX_CONSTRAINTS_FILE:ttps://releases.openstack.org/constraints/upper/master}
   -r{toxinidir}/doc/requirements.txt