docs: fix link to CHANGELOG.md

Author: kenjis

user_guide_src/source/changelogs/v4.0.0.rst

@@ -27,4 +27,4 @@ Repo Changes
 
 The devstarter repo has been deprecated.
 
-We now have an automated changelog generated in the CHANGELOG.md file in the main repo. See it for more details.
+We now have an automated changelog generated in the `CHANGELOG.md <https://github.com/codeigniter4/CodeIgniter4/blob/develop/CHANGELOG.md>`_ file in the main repo. See it for more details.

user_guide_src/source/changelogs/v4.0.3.rst

@@ -10,7 +10,7 @@ Release Date: May 1, 2020
     :depth: 2
 
 Thanks to the community, there have been 74 bugs closed, 21 issues closed, and 88 merged pull requests. These are all
-listed in the `changelog <https://github.com/codeigniter4/CodeIgniter4/blob/develop/CHANGELOG.md/>`_. This is a small
+listed in the `CHANGELOG.md <https://github.com/codeigniter4/CodeIgniter4/blob/develop/CHANGELOG.md>`_. This is a small
 representation of some of the bigger changes you should know about.
 
 Enhancements

user_guide_src/source/changelogs/v4.1.2.rst

@@ -64,6 +64,6 @@ Deprecations
 Bugs Fixed
 ----------
 
-*See the repo's **CHANGELOG.MD** for a complete list of bugs fixed.*
+See the repo's `CHANGELOG.md <https://github.com/codeigniter4/CodeIgniter4/blob/develop/CHANGELOG.md>`_ for a complete list of bugs fixed.
 
 - ``BaseConnection::query()`` now returns ``false`` for failed queries (unless ``DBDebug==true``, in which case an exception will be thrown) and returns boolean values for write-type queries as specified in the docs.