Set release version and amend changelog

CHANGELOG.rst

@@ -6,8 +6,8 @@ All notable changes to this project will be documented in this file.
 The format is based on `Keep a Changelog`_,
 and this project adheres to `Semantic Versioning`_.
 
-Unreleased
-----------
+`3.1.1` - 2023-07-01
+--------------------
 
 Fixed
 ~~~~~
@@ -1178,3 +1178,4 @@ Fixed
 .. _3.0b3: https://edugit.org/AlekSIS/official/AlekSIS-Core/-/tags/3.0b3
 .. _3.0: https://edugit.org/AlekSIS/official/AlekSIS-Core/-/tags/3.0
 .. _3.1: https://edugit.org/AlekSIS/official/AlekSIS-Core/-/tags/3.1
+.. _3.1.1: https://edugit.org/AlekSIS/official/AlekSIS-Core/-/tags/3.1.1

docs/conf.py

@@ -31,7 +31,7 @@ author = "The AlekSIS Team"
 # The short X.Y version
 version = "3.1"
 # The full version, including alpha/beta/rc tags
-release = "3.1.1.dev0"
+release = "3.1.1"
 
 
 # -- General configuration ---------------------------------------------------

pyproject.toml

 [tool.poetry]
 name = "AlekSIS-Core"
-version = "3.1.1.dev0"
+version = "3.1.1"
 packages = [
     { include = "aleksis" }
 ]