add support for python 3.12

Change-Id: I95ea684c5e32bdafe24827ff47dddd016554a5d6

.zuul.yaml

@@ -1,8 +1,8 @@
 - job:
     name: jjb-tox-cross-jenkins-job-builder
     description: Tests compatibility with master branch of jenkins-job-builder
-    parent: tox-py311
-    nodeset: ubuntu-jammy
+    parent: tox-py312
+    nodeset: ubuntu-noble
     required-projects:
       - jjb/python-jenkins
       - jjb/jenkins-job-builder
@@ -13,12 +13,12 @@
       jobs:
         # Only in check:
         - tox-cover:
-            nodeset: ubuntu-jammy
+            nodeset: ubuntu-noble
         # Jobs common to gate pipeline
         - tox-linters:
-            nodeset: ubuntu-jammy
+            nodeset: ubuntu-noble
         - openstack-tox-docs:
-            nodeset: ubuntu-jammy
+            nodeset: ubuntu-noble
         - tox-py38:
             nodeset: ubuntu-focal
         - tox-py39:
@@ -27,13 +27,15 @@
             nodeset: ubuntu-jammy
         - tox-py311:
             nodeset: ubuntu-jammy
+        - tox-py312:
+            nodeset: ubuntu-noble
         - jjb-tox-cross-jenkins-job-builder
     gate:
       jobs:
         - tox-linters:
-            nodeset: ubuntu-jammy
+            nodeset: ubuntu-noble
         - openstack-tox-docs:
-            nodeset: ubuntu-jammy
+            nodeset: ubuntu-noble
         - tox-py38:
             nodeset: ubuntu-focal
         - tox-py39:
@@ -42,4 +44,6 @@
             nodeset: ubuntu-jammy
         - tox-py311:
             nodeset: ubuntu-jammy
+        - tox-py312:
+            nodeset: ubuntu-noble
         - jjb-tox-cross-jenkins-job-builder

bindep.txt

@@ -2,8 +2,8 @@
 # see http://docs.openstack.org/infra/bindep/ for additional information.
 build-essential [platform:dpkg]
 gcc [platform:rpm]
-pypy [test]
-pypy-dev [test]
+pypy [test !platform:ubuntu-noble]
+pypy-dev [test !platform:ubuntu-noble]
 python-devel [platform:rpm]
 python3-dev [platform:dpkg]
 python3-devel [platform:fedora]

setup.cfg

@@ -20,13 +20,11 @@ classifier =
     Operating System :: OS Independent
     Programming Language :: Python
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.5
-    Programming Language :: Python :: 3.6
-    Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
+    Programming Language :: Python :: 3.12
 
 [files]
 packages =

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 2.0
-envlist = py{38,39,310,311}, linters
+envlist = py{38,39,310,311,312}, linters
 
 [testenv]
 setenv =