Add Python3.13 Support

Change-Id: I960153f84722b3609793c6406237c37a0445fa32

.zuul.yaml

@@ -16,12 +16,6 @@
             required-projects:
               - name: openstack/requirements
                 override-checkout: stable/2025.1
-        - openstack-tox-py39:
-            nodeset: ubuntu-focal
-            voting: false
-            required-projects:
-              - name: openstack/requirements
-                override-checkout: stable/2025.1
         - openstack-tox-py310:
             nodeset: ubuntu-jammy
             required-projects:
@@ -37,6 +31,11 @@
             required-projects:
               - name: openstack/requirements
                 override-checkout: stable/2025.1
+        - openstack-tox-py313:
+            nodeset: ubuntu-noble
+            required-projects:
+              - name: openstack/requirements
+                override-checkout: stable/2025.1
     gate:
       jobs:
         - openstack-tox-pep8:
@@ -44,12 +43,6 @@
             required-projects:
               - name: openstack/requirements
                 override-checkout: stable/2025.1
-        - openstack-tox-py39:
-            nodeset: ubuntu-focal
-            voting: false
-            required-projects:
-              - name: openstack/requirements
-                override-checkout: stable/2025.1
         - openstack-tox-py310:
             nodeset: ubuntu-jammy
             required-projects:
@@ -65,3 +58,8 @@
             required-projects:
               - name: openstack/requirements
                 override-checkout: stable/2025.1
+        - openstack-tox-py313:
+            nodeset: ubuntu-noble
+            required-projects:
+              - name: openstack/requirements
+                override-checkout: stable/2025.1

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py310,py312,pep8
+envlist = py310,py312,py313,pep8
 minversion = 3.18.0
 skipsdist = False