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

Partial-Bug: #2000399

Signed-off-by: Al Bailey <al.bailey@windriver.com>
Change-Id: Ic19cac494dd1d1d256d8f6c2113f9ad6a36944cc

ceph/ceph-manager/ceph-manager/tox.ini

@@ -16,8 +16,14 @@ install_command = pip install -U --force-reinstall \
   {opts} {packages}
 deps = -r{toxinidir}/test-requirements.txt
 commands = pytest {posargs}
-whitelist_externals = bash
+allowlist_externals = bash
-passenv = http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY
+passenv =
+  http_proxy
+  HTTP_PROXY
+  https_proxy
+  HTTPS_PROXY
+  no_proxy
+  NO_PROXY
 
 [testenv:py27]
 basepython = python2.7

ceph/python-cephclient/python-cephclient/tox.ini

@@ -10,7 +10,7 @@ usedevelop = True
 install_command = pip install -U --force-reinstall {opts} {packages}
 deps = -r{toxinidir}/test-requirements.txt
 commands = pytest {posargs}
-whitelist_externals = bash
+allowlist_externals = bash
 
 [testenv:py27]
 basepython = python2.7

tox.ini

@@ -22,7 +22,7 @@ setenv =
 deps =
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/test-requirements.txt
-whitelist_externals =
+allowlist_externals =
     bash
 
 [testenv:bashate]

utilities/pci-irq-affinity-agent/pci_irq_affinity/tox.ini

@@ -17,7 +17,7 @@ setenv =
 deps =
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/test-requirements.txt
-whitelist_externals =
+allowlist_externals =
     bash
 commands =
     pytest pci_irq_affinity/tests/