Update irrelevant-files for sushy-jobs

Currently the sushy-tools jobs will not run if the changes are made
in test-requirement or unit tests, this improve the config of our
jobs to not run when changes are made to:

- tox.ini
- setup.cfg
- doc/*
- releasenotes
- rst files

Change-Id: If2b683195212441a5d227f4c8a3af193f78f1b1c

zuul.d/sushy-tools-jobs.yaml

@@ -2,8 +2,13 @@
     name: sushy-tools-tempest-bios-redfish-pxe
     parent: ironic-tempest-bios-redfish-pxe
     irrelevant-files:
+      - ^.*\.rst$
+      - ^doc/.*$
+      - ^releasenotes/.*$
+      - ^setup.cfg$
       - ^test-requirements.txt$
       - ^sushy_tools/tests/.*$
+      - ^tox.ini$
     required-projects:
       - openstack/sushy-tools
 
@@ -11,8 +16,13 @@
     name: sushy-tools-tempest-uefi-redfish-vmedia
     parent: ironic-tempest-uefi-redfish-vmedia
     irrelevant-files:
+      - ^.*\.rst$
+      - ^doc/.*$
+      - ^releasenotes/.*$
+      - ^setup.cfg$
       - ^test-requirements.txt$
       - ^sushy_tools/tests/.*$
+      - ^tox.ini$
     required-projects:
       - openstack/sushy-tools