Update `X.H.DynamicLog` references

[TheMC47]

Description

Since X.H.StatusBar is the newer way to interact with status bars, the X.H.DynamicLog references need to be updated.

This is a WIP, as there are many modules to patch

Checklist

• [x] I've read CONTRIBUTING.md

• [ ] I've considered how to best test these changes manually and concluded: WIP

• [x] I updated the CHANGES.md file

• [ ] I updated the XMonad.Doc.Extending file (if appropriate)

[TheMC47]

I assumed #620 is merged, and I only added one entry in CHANGES.md. I'll merge this later today or tomorrow