Drop support for Python 3.9

We also make the openstacksdk-functional-devstack-masakari non-voting
while we wait for them to fix their gate.

Change-Id: Ic46d9e99dd2dd7300299bddcf21d663c4d7223d4
Signed-off-by: Stephen Finucane <stephenfin@redhat.com>
Depends-on: https://review.opendev.org/c/openstack/python-openstackclient/+/949014

releasenotes/notes/drop-python-39-e2d54d859007a575.yaml

@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    Support for Python 3.9 has been dropped. The minimum version of Python now
+    supported in 3.10.

setup.cfg

@@ -6,7 +6,7 @@ description_file =
 author = OpenStack
 author_email = openstack-discuss@lists.openstack.org
 home_page = https://docs.openstack.org/openstacksdk/
-python_requires = >=3.9
+python_requires = >=3.10
 classifier =
     Environment :: OpenStack
     Intended Audience :: Information Technology
@@ -15,10 +15,10 @@ classifier =
     Operating System :: POSIX :: Linux
     Programming Language :: Python
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3.12
+    Programming Language :: Python :: 3.13
 
 [files]
 packages =

zuul.d/project.yaml

@@ -26,7 +26,10 @@
         - openstacksdk-functional-devstack-magnum:
             voting: false
         - openstacksdk-functional-devstack-manila
-        - openstacksdk-functional-devstack-masakari
+        # TODO(stephenfin): We can make this voting again once [1] merges
+        # [1] https://review.opendev.org/c/openstack/masakari/+/949153
+        - openstacksdk-functional-devstack-masakari:
+            voting: false
         - openstacksdk-functional-devstack-ironic:
             voting: false
         - osc-functional-devstack-tips: