Prepare for 4.5.9 release

[kabalin]

Includes:

• Cherry-picked commits from Update box.json #364 (rephrased commit messages).
• Bump moodle-local_ci to 1.1.3 and other dependencies.

Note for reviewer: once approved, this needs to be merged without merge commit per instruction.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.33%. Comparing base (5d87b14) to head (6811d1c).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #368   +/-   ##
=========================================
  Coverage     88.33%   88.33%           
  Complexity      763      763           
=========================================
  Files            77       77           
  Lines          2348     2348           
=========================================
  Hits           2074     2074           
  Misses          274      274           

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[paulholden]

Thanks Ruslan, feel free to proceed with correct merge!