Test tox 4 - DO NOT MERGE

Change-Id: I8664bbd473b84be0b8c90db16ecd280bb9f8b077
Signed-off-by: Ron Stone <ronald.stone@windriver.com>

.zuul.yaml

@@ -1,7 +1,8 @@
 ---
 - project:
     vars:
-      ensure_tox_version: '<4'
+      # ensure_tox_version: '<4'
+      ensure_tox_version: '>=4.14.2'
     templates:
       - stx-api-ref-jobs
     check:

tox.ini

@@ -40,7 +40,7 @@ commands =
   sphinx-build -a -E -W --keep-going -d doc/build/doctrees -t starlingx -t openstack -t virtual -b html doc/source doc/build/html {posargs}
   {[testenv:postbuild-docs]commands}
 # Note: The dev env for the docs team uses a version of tox that does not yet support allowlist_externals
-whitelist_externals = bash
+allowlist_externals = bash
                       hide-empty-rows.sh
                       htmlChecks.sh
                       get-remote-files.sh
@@ -55,7 +55,7 @@ commands =
   {[testenv:prebuild-docs]commands}
   sphinx-build -a -E -W --keep-going -d doc/build/doctrees -t starlingx -t openstack -b singlehtml doc/source doc/build/singlepage {posargs}
   {[testenv:postbuild-docs]commands} 
-whitelist_externals = bash
+allowlist_externals = bash
                       hide-empty-rows.sh
                       htmlChecks.sh
                       get-remote-files.sh
@@ -66,10 +66,10 @@ deps = {[testenv:docs]deps}
 commands =
   rm -rf api-ref/build
   sphinx-build -W -b html -d api-ref/build/doctrees api-ref/source api-ref/build/html
-whitelist_externals = rm
+allowlist_externals = rm
 
 [testenv:linters]
-whitelist_externals = bash
+allowlist_externals = bash
 commands =
   bash -c "find {toxinidir}                   \
             \( -name .tox -prune \)           \
@@ -87,13 +87,13 @@ passenv=PWD
 commands =
        bash -c "echo Running in {env:PWD}"
        bash new-topic.sh {env:PWD} {toxinidir}
-whitelist_externals = new-topic.sh
+allowlist_externals = new-topic.sh
                       bash
 
 [testenv:picks]
 commands =
        ./pickCompare.sh
-whitelist_externals = pickCompare.sh
+allowlist_externals = pickCompare.sh
                       bash