docs: Fix missing 2.3.1 release file

fgmacedo · fgmacedo · commit b18ea568294f · 2024-06-10T19:04:38.000-03:00
diff --git a/docs/releases/2.3.1.md b/docs/releases/2.3.1.md
@@ -0,0 +1,8 @@
+# StateMachine 2.3.1
+
+*June 10, 2024*
+
+
+## Bugfixes in 2.3.1
+
+- Fixes [#443](https://github.com/fgmacedo/python-statemachine/issues/443) regression that caused `RuntimeError` when running SM with threads. Thanks [@gwidion](https://x.com/gwidion)!
