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

Also fixed the zuul configuration.

Partial-Bug: #2000399

Signed-off-by: Al Bailey <al.bailey@windriver.com>
Change-Id: Id7f7fb8e75a98df73bf4d14caeeecb9dc5ffb976

.zuul.yaml

@@ -27,14 +27,6 @@
     post:
       jobs:
         - stx-monitoring-upload-git-mirror
-        - kube-cpusets-tox-py27
-        - kube-cpusets-tox-py39
-        - kube-cpusets-tox-flake8
-        - kube-cpusets-tox-pylint
-        - kube-memory-tox-py27
-        - kube-memory-tox-py39
-        - kube-memory-tox-flake8
-        - kube-memory-tox-pylint
 
 - job:
     name: stx-monitoring-upload-git-mirror
@@ -56,7 +48,7 @@
       Run pylint test for kube-cpusets
     required-projects:
       - starlingx/config
-    nodeset: ubuntu-bionic
+    nodeset: debian-bullseye
     files:
       - kube-cpusets/*
     vars:

kube-cpusets/kube-cpusets/tox.ini

@@ -30,7 +30,7 @@ install_command = pip install \
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
        -e{[tox]stxdir}/config/tsconfig/tsconfig
-whitelist_externals = find
+allowlist_externals = find
                       sh
 [testenv:stestr]
 commands =
@@ -83,9 +83,13 @@ commands =
     flake8 {posargs} .
 
 [testenv:pylint]
+basepython = python3.9
 deps = {[testenv]deps}
        pylint
-basepython = python3.6
+install_command = pip install \
+    -v -v -v \
+    -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/starlingx/root/raw/branch/master/build-tools/requirements/debian/upper-constraints.txt} \
+    {opts} {packages}
 sitepackages = False
 commands = pylint kube_cpusets --rcfile=./pylint.rc
 

kube-memory/kube-memory/tox.ini

@@ -31,7 +31,7 @@ install_command = pip install \
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
        -e{[tox]stxdir}/config/tsconfig/tsconfig
-whitelist_externals = find
+allowlist_externals = find
                       sh
 [testenv:stestr]
 commands =

tox.ini

@@ -15,7 +15,7 @@ setenv =
 deps =
   -r{toxinidir}/requirements.txt
   -r{toxinidir}/test-requirements.txt
-whitelist_externals =
+allowlist_externals =
   bash
 
 [testenv:bashate]