CI: Fixes for tox4

Change-Id: Idd3fc7040ab9a9544442a14fc84df2fd054ebed7

tox.ini

@@ -1,6 +1,5 @@
 [tox]
 minversion = 3.18
-skipsdist = True
 envlist = py39,linters
 ignore_basepython_conflict = True
 
@@ -12,9 +11,9 @@ allowlist_externals = find
 deps = -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
        -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
-passenv = http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY
-          OS_STDOUT_CAPTURE OS_STDERR_CAPTURE OS_LOG_CAPTURE OS_TEST_TIMEOUT
-          PYTHON OS_TEST_PATH LISTOPT IDOPTION
+passenv = http_proxy,HTTP_PROXY,https_proxy,HTTPS_PROXY,no_proxy,NO_PROXY
+          OS_STDOUT_CAPTURE,OS_STDERR_CAPTURE,OS_LOG_CAPTURE,OS_TEST_TIMEOUT
+          PYTHON,OS_TEST_PATH,LISTOPT,IDOPTION
 commands =
   find . -type f -name "*.py[c|o]" -delete -o -type l -name "*.py[c|o]" -delete
   find . -type d -name "__pycache__" -delete
@@ -61,6 +60,7 @@ commands =
 
 [testenv:pdf-docs]
 allowlist_externals = make
+                      rm
 skip_install = {[testenv:docs]skip_install}
 deps = {[testenv:docs]deps}
 commands =
@@ -123,7 +123,7 @@ commands = yamllint -s .
 
 [testenv:ansible-sanity]
 deps = {[testenv:linters]deps}
-commands = {toxinidir}/tools/run-ansible-sanity.sh {toxinidir}
+commands = bash {toxinidir}/tools/run-ansible-sanity.sh {toxinidir}
 
 [testenv:ansible-lint]
 deps = {[testenv:linters]deps}