chore: prep v3.1.0

jkowalleck · jkowalleck · commit 3ce5e917fe76 · 2023-12-02T10:10:05.000+01:00
Signed-off-by: Jan Kowalleck &lt;jan.kowalleck@gmail.com&gt;
diff --git a/HISTORY.md b/HISTORY.md
@@ -4,6 +4,8 @@ All notable changes to this project will be documented in this file.
 
 ## unreleased
 
+## 3.1.0 - 2023-12-02
+
 * Added
   * Migration/fixup of URL(`iri-reference`) when normalizing to JSON (via [#380])
 
diff --git a/semver.txt b/semver.txt
@@ -1 +1 @@
-3.0.2
+3.1.0
