Partially update tox.ini to work with tox 4

This change will allow this repo to pass zuul now
that this has merged:
https://review.opendev.org/c/zuul/zuul-jobs/+/866943

Tox 4 deprecated whitelist_externals.
Replace whitelist_externals with allowlist_externals

skipsdist acts differently in tox 4.
Unable to get unit tests to pass with it removed.
pinning zuul to use tox < 4

Partial-Bug: #2000399

Signed-off-by: Al Bailey <al.bailey@windriver.com>
Change-Id: I2efa39b371d89c4681c6d2f0cc9eb71ef6f0dbdb

.zuul.yaml

@@ -1,5 +1,7 @@
 ---
 - project:
+    vars:
+      ensure_tox_version: '<4'
     check:
       jobs:
         - openstack-tox-linters

python-k8sapp-auditd/k8sapp_auditd/.gitignore

@@ -14,6 +14,7 @@ doc/source/api/
 dist
 build
 eggs
+.eggs
 parts
 var
 sdist

python-k8sapp-auditd/k8sapp_auditd/tox.ini

@@ -1,8 +1,6 @@
 [tox]
 envlist = flake8,py27,py36,py39,pylint,bandit
 minversion = 1.6
-# skipsdist = True
-#,pip-missing-reqs
 
 # tox does not work if the path to the workdir is too long, so move it to /tmp
 toxworkdir = /tmp/{env:USER}_k8saudittox
@@ -19,7 +17,7 @@ sitepackages = False
 basepython = python3
 
 # tox is silly... these need to be separated by a newline....
-whitelist_externals = bash
+allowlist_externals = bash
                       find
 
 install_command = pip install -v -v -v \

tox.ini

@@ -1,8 +1,8 @@
 [tox]
 envlist = linters
 minversion = 2.3
-skipsdist = True
 sitepackages=False
+skipsdist=True
 
 [testenv]
 install_command = pip install -U {opts} {packages}
@@ -15,7 +15,7 @@ setenv =
 deps =
   -r{toxinidir}/requirements.txt
   -r{toxinidir}/test-requirements.txt
-whitelist_externals =
+allowlist_externals =
   bash
 
 [testenv:bashate]