chore(deps): update node.js to v21 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
cimg/node	docker	major	16.20.2 -> 21.7.3

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Configuration

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

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

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

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 93.56%. Comparing base (394774e) to head (2603ec5). Report is 2 commits behind head on devel.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## devel #698 +/- ## ======================================= Coverage 93.56% 93.56% ======================================= Files 27 27 Lines 730 730 Branches 246 246 ======================================= Hits 683 683 Misses 47 47 ```

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