CI: Run hashivault jobs only for relevant changes

Change-Id: I1850523d5aeaee9d377c08107239eff66e29f049

zuul.d/base.yaml

@@ -229,17 +229,7 @@
       - openstack/kolla-ansible
       - openstack/requirements
     voting: false
-    irrelevant-files:
-      - ^.*\.rst$
-      - ^doc/.*
-      - ^releasenotes/.*$
-      - ^deploy-guide/.*$
-      - ^test-requirements.txt$
-      - ^etc/kolla/globals.yml$
-      - ^tox.ini$
-      - ^\..+
-      - ^LICENSE$
-      - ^contrib/
-      - ^specs/
-      - ^kolla_ansible/tests/
-      - ^zuul\.d/
+    files:
+      - ^kolla_ansible/
+      - ^tests/run-hashi-vault.yml
+      - ^tests/test-hashicorp-vault-passwords.sh