Add release notesd for 1.3.0.

Author: wRAR

CHANGES

@@ -1,6 +1,21 @@
 Changelog
 =========
 
+Version 1.3.0
+-------------
+
+Released on 2025-MM-DD.
+
+*   Dropped support for Python 3.7-3.8, added support for Python 3.12-3.13 and
+    PyPy 3.10.
+
+*   Removed ``_unicode_safe_getattr()``, deprecated in 1.2.0.
+
+*   Added ``pre-commit`` and formatted the code with ``ruff``.
+
+*   Many CI additions and improvements.
+
+
 Version 1.2.0
 -------------