Bump to release version and add release notes

Bumps to release version 0.4.2 and adds the release notes to the
changelog.

Author: st-bender

CHANGES.md

@@ -1,6 +1,19 @@
 Changelog
 =========
 
+v0.4.2 (2026-07-01)
+-------------------
+
+### Changes
+
+- Updates space weather indices from celestrak (observed until 2026-06-30)
+
+### Fixes
+
+- `celestrak`'s domain changed from `.com` to `.org`
+  (https://github.com/st-bender/pyspaceweather/issues/5)
+
+
 v0.4.1 (2026-03-10)
 -------------------
 

src/spaceweather/__init__.py

@@ -8,7 +8,7 @@
 """Python interface for space weather indices
 
 """
-__version__ = "0.4.2.rc0"
+__version__ = "0.4.2"
 
 from .celestrak import *
 from .gfz import *