chore: update CHANGELOG

[jsjoeio]

This PR adds a few changes to the CHANGELOG.

Fixes N/A

[github-actions]

✨ Coder.com for PR #4595 deployed! It will be updated on every commit.

• Host: https://codercom-bbuw4iu67-codercom.vercel.app/docs/code-server
• Last deploy status: success
• Commit: 3ab5e89
• Workflow status: https://github.com/cdr/code-server/actions/runs/1556201672

[codecov]

Codecov Report

Merging #4595 (3ab5e89) into main (4b4ec37) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #4595   +/-   ##
=======================================
  Coverage   65.61%   65.61%           
=======================================
  Files          30       30           
  Lines        1652     1652           
  Branches      330      330           
=======================================
  Hits         1084     1084           
  Misses        481      481           
  Partials       87       87           

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