End support for stable/2023.2

Stable/2023.2 is EOL now[1] and Tempest
does not support EOL releases so this marks
the end of support for stable/2023.2.

This adds the release note to mark the end of
support of 2023.2 as well as drop the job.

[1] https://review.opendev.org/c/openstack/releases/+/948580

Change-Id: I79959d34c82498b389cb4ba9e72a8b71b74c191a
diff --git a/doc/source/supported_version.rst b/doc/source/supported_version.rst
index 3ffa68a..f38b6ca 100644
--- a/doc/source/supported_version.rst
+++ b/doc/source/supported_version.rst
@@ -12,7 +12,6 @@
 * 2025.1
 * 2024.2
 * 2024.1
-* 2023.2
 
 For older OpenStack Release:
 
diff --git a/releasenotes/notes/end-of-support-of-2023-2-3631d8d0f3507518.yaml b/releasenotes/notes/end-of-support-of-2023-2-3631d8d0f3507518.yaml
new file mode 100644
index 0000000..74323ea
--- /dev/null
+++ b/releasenotes/notes/end-of-support-of-2023-2-3631d8d0f3507518.yaml
@@ -0,0 +1,12 @@
+---
+prelude: >
+    This is an intermediate release during the 2025.2 development cycle to
+    mark the end of support for 2023.2 release in Tempest.
+    After this release, Tempest will support below OpenStack Releases:
+
+    * 2025.1
+    * 2024.2
+    * 2024.1
+
+    Current development of Tempest is for OpenStack 2025.2 development
+    cycle.
diff --git a/zuul.d/project.yaml b/zuul.d/project.yaml
index ad2680f..d11bc09 100644
--- a/zuul.d/project.yaml
+++ b/zuul.d/project.yaml
@@ -39,7 +39,7 @@
         # those in respective stable branch gate.
         - tempest-full-2025-1:
             irrelevant-files: *tempest-irrelevant-files
-        - tempest-full-2023-2:
+        - tempest-full-2024-1:
             irrelevant-files: *tempest-irrelevant-files
         - tempest-multinode-full-py3:
             irrelevant-files: *tempest-irrelevant-files
@@ -187,15 +187,12 @@
         - tempest-full-2025-1
         - tempest-full-2024-2
         - tempest-full-2024-1
-        - tempest-full-2023-2
         - tempest-slow-2025-1
         - tempest-slow-2024-2
         - tempest-slow-2024-1
-        - tempest-slow-2023-2
         - tempest-full-2025-1-extra-tests
         - tempest-full-2024-2-extra-tests
         - tempest-full-2024-1-extra-tests
-        - tempest-full-2023-2-extra-tests
     periodic:
       jobs:
         - tempest-all
diff --git a/zuul.d/stable-jobs.yaml b/zuul.d/stable-jobs.yaml
index 6409ae3..8bf356a 100644
--- a/zuul.d/stable-jobs.yaml
+++ b/zuul.d/stable-jobs.yaml
@@ -18,12 +18,6 @@
     override-checkout: stable/2024.1
 
 - job:
-    name: tempest-full-2023-2
-    parent: tempest-full-py3
-    nodeset: openstack-single-node-jammy
-    override-checkout: stable/2023.2
-
-- job:
     name: tempest-full-2025-1-extra-tests
     parent: tempest-extra-tests
     nodeset: openstack-single-node-noble
@@ -42,12 +36,6 @@
     override-checkout: stable/2024.1
 
 - job:
-    name: tempest-full-2023-2-extra-tests
-    parent: tempest-extra-tests
-    nodeset: openstack-single-node-jammy
-    override-checkout: stable/2023.2
-
-- job:
     name: tempest-slow-2025-1
     parent: tempest-slow-py3
     nodeset: openstack-two-node-noble
@@ -66,12 +54,6 @@
     override-checkout: stable/2024.1
 
 - job:
-    name: tempest-slow-2023-2
-    parent: tempest-slow-py3
-    nodeset: openstack-two-node-jammy
-    override-checkout: stable/2023.2
-
-- job:
     name: tempest-full-py3
     parent: devstack-tempest
     # This job version is to use the 'full' tox env which