Update dependency @types/firefox-webext-browser to v120.0.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@types/firefox-webext-browser (source)	120.0.3 -> 120.0.4

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Configuration

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

🚦 Automerge: Enabled.

♻ 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 62.61%. Comparing base (ef91fda) to head (a1c8165).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## trunk #2285 +/- ## ======================================= Coverage 62.61% 62.61% ======================================= Files 5 5 Lines 2223 2223 Branches 60 60 ======================================= Hits 1392 1392 Misses 831 831 ```

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