Job update for Antelope cycle

Make running unit tests with python 3.10 a voting job.

Change-Id: I68fda6321dbeb87481b099e740c50cbd2c352ae8

.zuul.yaml

@@ -8,8 +8,7 @@
         - openstack-tox-py37
         - openstack-tox-py38
         - openstack-tox-py39
-        - openstack-tox-py310:
-            voting: false
+        - openstack-tox-py310
     gate:
       jobs:
         - openstack-tox-pep8
@@ -17,3 +16,4 @@
         - openstack-tox-py37
         - openstack-tox-py38
         - openstack-tox-py39
+        - openstack-tox-py310

setup.cfg

@@ -21,6 +21,7 @@ classifier =
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
 
 [files]
 packages =

tox.ini

@@ -13,7 +13,9 @@ setenv =
    OS_STDOUT_CAPTURE=1
    OS_STDERR_CAPTURE=1
    OS_TEST_TIMEOUT=60
-deps = -r{toxinidir}/test-requirements.txt
+deps =
+    -r{toxinidir}/requirements.txt
+    -r{toxinidir}/test-requirements.txt
 commands = stestr --test-path ./tempest_stress/tests run {posargs}
 
 [testenv:stress]