[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: I384db875eb9090e9d9e711af3479021bdbed5a26

zuul.d/project.yaml

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

zuul.d/sushy-tools-jobs.yaml

@@ -15,3 +15,10 @@
       - ^sushy_tools/tests/.*$
     required-projects:
       - openstack/sushy-tools
+
+- job:
+    name: sushy-tools-tox-codespell
+    parent: openstack-tox
+    timeout: 6000
+    vars:
+      tox_envlist: codespell