Ensure correct functional jobs for unmaint branch

Before this change, functional tests may have been unable to pass on
unmaintained branches due to running in an incorrect ubuntu version.
This appears to be impacting, at a minimum, ironic-python-agent's xena
branch.

Change-Id: Ia29d9b2e807edfa9d94295077b8c541af8d67728

zuul.d/jobs.yaml

@@ -277,7 +277,7 @@
       Uses tox with the ``py310`` environment.
     irrelevant-files: *common-irrelevant-files
     branches:
-      regex: ^stable/(yoga|zed)$
+      regex: ^.*/(yoga|zed)$
       negate: true
     vars:
       tox_envlist: py310
@@ -422,7 +422,7 @@
       Uses tox with the ``cover`` environment.
     nodeset: ubuntu-jammy
     branches:
-      regex: ^stable/(victoria|wallaby|xena|yoga|zed)$
+      regex: ^.*/(victoria|wallaby|xena|yoga|zed)$
       negate: true
     required-projects:
       - name: openstack/requirements
@@ -488,7 +488,7 @@
     irrelevant-files: *common-irrelevant-files
     nodeset: ubuntu-jammy
     branches:
-      regex: ^stable/(victoria|wallaby|xena|yoga|zed)$
+      regex: ^.*/(victoria|wallaby|xena|yoga|zed)$
       negate: true
     vars:
       tox_envlist: functional
@@ -505,11 +505,7 @@
     irrelevant-files: *common-irrelevant-files
     nodeset: ubuntu-focal
     branches:
-      - stable/victoria
-      - stable/wallaby
-      - stable/xena
-      - stable/yoga
-      - stable/zed
+      regex: ^.*/(victoria|wallaby|xena|yoga|zed)$
     vars:
       tox_envlist: functional
 
@@ -524,7 +520,7 @@
     irrelevant-files: *common-irrelevant-files
     nodeset: ubuntu-jammy
     branches:
-      regex: ^stable/(victoria|wallaby|xena|yoga|zed)$
+      regex: ^.*/(victoria|wallaby|xena|yoga|zed)$
       negate: true
     vars:
       tox_envlist: functional
@@ -542,11 +538,7 @@
     irrelevant-files: *common-irrelevant-files
     nodeset: ubuntu-focal
     branches:
-      - stable/victoria
-      - stable/wallaby
-      - stable/xena
-      - stable/yoga
-      - stable/zed
+      regex: ^.*/(victoria|wallaby|xena|yoga|zed)$
     vars:
       tox_envlist: functional