chore: prep v3.1.1

jkowalleck · jkowalleck · commit d30f707d97be · 2024-02-05T12:43:17.000+01:00
Signed-off-by: Jan Kowalleck &lt;jan.kowalleck@gmail.com&gt;
diff --git a/HISTORY.md b/HISTORY.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 
 ## unreleased
 
+<!-- add unreleased items here -->
+
+## 3.1.1 - 2024-02-05
+
 * Style
   * Applied latest PHP Coding Standards (via [#395], [#398], [#399], [#402])
 
