[codespell] Adding CI target for Tox Codespell

Third in a series of commits to add Codespell to Ironic Repos. This commit adds the Tox Target to CI

A future commit could potentially add a git-blame-ignore-revs file if their are lots of spelling mistakes that could clutter git blame.

Change-Id: Ia7662fa159472119201bcd7c5c01982139bdeb38

zuul.d/project.yaml

@@ -10,6 +10,8 @@
         - ironic-cross-sushy
         - sushy-tempest-bios-redfish-pxe
         - sushy-tempest-uefi-redfish-vmedia
+        - sushy-tox-codespell:
+            voting: false
     gate:
       jobs:
         - ironic-cross-sushy

zuul.d/sushy-jobs.yaml

@@ -19,3 +19,10 @@
       - ^sushy/tests/.*$
     required-projects:
       - openstack/sushy
+
+- job:
+    name: sushy-tox-codespell
+    parent: openstack-tox
+    timeout: 7200
+    vars:
+      tox_envlist: codespell