Update tox.ini to work with 4.0

With tox release of 4.0, some parameters were deprecated and are ignored now
which causes tox failures. One of the most spread issues we have is using
`whitelist_externals` isntead of `allowlist_externals`


Change-Id: Ib9853f84d89aa55d2bdead548345dd89d43d98af

run_tests_common.sh

@@ -45,13 +45,13 @@ BINDEP_FILE=${BINDEP_FILE:-bindep.txt}
 # to allow pip and bindep to work.
 case "${ID,,}" in
     amzn|centos|rhel)
-        pkg_list="python3-devel python3-virtualenv redhat-lsb-core"
+        pkg_list="python3-devel redhat-lsb-core"
         ;;
     fedora)
-        pkg_list="python3-devel python3-virtualenv redhat-lsb-core redhat-rpm-config yum-utils"
+        pkg_list="python3-devel redhat-lsb-core redhat-rpm-config yum-utils"
         ;;
     ubuntu|debian)
-        pkg_list="python3-dev python3-pip virtualenv lsb-release curl"
+        pkg_list="python3-dev python3-pip lsb-release curl"
         sudo apt-get update
         ;;
     *)

tox.ini

@@ -17,7 +17,7 @@ passenv =
     HTTPS_PROXY
     no_proxy
     NO_PROXY
-whitelist_externals =
+allowlist_externals =
     bash
 setenv =
     PYTHONUNBUFFERED=1
@@ -35,7 +35,8 @@ commands =
 
 [testenv:pdf-docs]
 deps = {[testenv:docs]deps}
-whitelist_externals =
+allowlist_externals =
+  make
 commands =
   sphinx-build --keep-going -W -b latex doc/source doc/build/pdf
   make -C doc/build/pdf