docs: merge gunicornc into 25.1.0 release

Author: benoitc

docs/content/2026-news.md

@@ -1,12 +1,13 @@
 <span id="news-2026"></span>
 # Changelog - 2026
 
-## 25.2.0 - 2026-02-13
+## 25.1.0 - 2026-02-13
 
 ### New Features
 
 - **Control Interface (gunicornc)**: Add interactive control interface for managing
   running Gunicorn instances, similar to birdc for BIRD routing daemon
+  ([PR #3505](https://github.com/benoitc/gunicorn/pull/3505))
   - Unix socket-based communication with JSON protocol
   - Interactive mode with readline support and command history
   - Commands: `show all/workers/dirty/config/stats/listeners`
@@ -16,12 +17,6 @@
   - New CLI tool: `gunicornc` for connecting to control socket
   - See [Control Interface Guide](guides/gunicornc.md) for details
 
----
-
-## 25.1.0 - 2026-02-13
-
-### New Features
-
 - **Dirty Stash**: Add global shared state between workers via `dirty.stash`
   ([PR #3503](https://github.com/benoitc/gunicorn/pull/3503))
   - In-memory key-value store accessible by all workers

docs/content/news.md

@@ -1,12 +1,13 @@
 <span id="news"></span>
 # Changelog
 
-## 25.2.0 - 2026-02-13
+## 25.1.0 - 2026-02-13
 
 ### New Features
 
 - **Control Interface (gunicornc)**: Add interactive control interface for managing
   running Gunicorn instances, similar to birdc for BIRD routing daemon
+  ([PR #3505](https://github.com/benoitc/gunicorn/pull/3505))
   - Unix socket-based communication with JSON protocol
   - Interactive mode with readline support and command history
   - Commands: `show all/workers/dirty/config/stats/listeners`
@@ -16,12 +17,6 @@
   - New CLI tool: `gunicornc` for connecting to control socket
   - See [Control Interface Guide](guides/gunicornc.md) for details
 
----
-
-## 25.1.0 - 2026-02-13
-
-### New Features
-
 - **Dirty Stash**: Add global shared state between workers via `dirty.stash`
   ([PR #3503](https://github.com/benoitc/gunicorn/pull/3503))
   - In-memory key-value store accessible by all workers