[CHORE]: keep a changelog format update for GitHub auto indexing

[fugerit79]

Module

Changelog

Expected Behavior

We only want the only show versions in GitHub auto indexing

Other information

As stated in :
https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#headings

Currently all headers are indexed by default on GitHub, we want to switch from header for subsection :

### Changed

To bold :

**Changed**

And the GitHub auto index would change from

to

NOTE : this is to be considered an optional alternate changelog formatting proposal

NOTE : in case the proposal is accpeted maybe a complementary migration guide could be proposed