Refresh for 22.04.4 -- merge releases.yaml from ubuntu.com

[nobuto-m]

Equivalent to canonical/ubuntu.com#13604

Done

merge releases.yaml from ubuntu.com

QA

• Go to https://jp.ubuntu.com/download in the demo site
• Click 22.04.4 LTS download link for both Desktop and Server
• Confirm the download starts

[webteam-app]

nobuto-m is not a collaborator of the repo

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.57%. Comparing base (4d47069) to head (122591d).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #472   +/-   ##
=======================================
  Coverage   78.57%   78.57%           
=======================================
  Files           8        8           
  Lines         238      238           
=======================================
  Hits          187      187           
  Misses         51       51           

Flag	Coverage Δ
python	78.57% <ø> (ø)

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