Update dependency ejs to v4

[iconduit-renovate]

This PR contains the following updates:

Package	Type	Update	Change
ejs	dependencies	major	^3.1.6 → ^4.0.0

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Release Notes

mde/ejs (ejs)

v4.0.1

Compare Source

Version 4.0.1

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

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♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

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This PR has been generated by Renovate Bot.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.71%. Comparing base (174ed0c) to head (62bdf8e).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #87   +/-   ##
=======================================
  Coverage   78.71%   78.71%           
=======================================
  Files           7        7           
  Lines         202      202           
=======================================
  Hits          159      159           
  Misses         43       43           

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