Add new CHANGELOG section for future release

See https://icalendar.readthedocs.io/en/latest/maintenance.html#new-releases

CHANGES.rst

@@ -1,7 +1,27 @@
 Changelog
 =========
 
-5.0.12 (unreleased)
+5.0.13 (unreleased)
+-------------------
+
+Minor changes:
+
+- ...
+
+Breaking changes:
+
+- ...
+
+New features:
+
+- ...
+
+Bug fixes:
+
+- ...
+
+
+5.0.12 (2024-03-19)
 -------------------
 
 Minor changes:
@@ -15,6 +35,8 @@ Minor changes:
 - Rename "contributor" to "collaborator" in documentation
 - Correct the outdated "icalendar view myfile.ics" command in documentation. #588
 - Update GitHub Actions steps versions
+- Keep GitHub Actions up to date with GitHub's Dependabot
+
 
 Breaking changes:
 

docs/install.rst

@@ -112,7 +112,7 @@ Try it out:
     Type "help", "copyright", "credits" or "license" for more information.
     >>> import icalendar
     >>> icalendar.__version__
-    '5.0.11'
+    '5.0.12'
 
 Building the documentation locally
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

news/591.minor-changes

@@ -1 +0,0 @@
-Keep GitHub Actions up to date with GitHub's Dependabot

src/icalendar/__init__.py

@@ -1,4 +1,4 @@
-__version__ = '5.0.11'
+__version__ = '5.0.12'
 
 from icalendar.cal import (
     Calendar,