chore(deps): update dependency web-ext to v9.4.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
web-ext	9.2.0 → 9.4.0

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Release Notes

mozilla/web-ext (web-ext)

v9.4.0: (2026-03-04)

Compare Source

main changes

Not much, but this is likely the last release officially supporting Node 20.

dependencies

• Updated: dependency addons-linter to 9.9.1 (#​3630)

dev dependencies

• Updated: dependency @commitlint/cli to 20.4.3 (#​3637)
• Updated: dependency @commitlint/config-conventional (#​3623)
• Updated: dependency @commitlint/config-conventional to 20.4.3 (#​3638)
• Updated: dependency @eslint/eslintrc to 3.3.4 (#​3632)
• Updated: dependency ajv to 6.14.0 (#​3624)
• Updated: dependency fs-extra to 11.3.4 (#​3639)
• Updated: dependency globals to 17.4.0 (#​3635)
• Updated: dependency nyc to 18.0.0 (#​3634)
• Updated: dependency sinon to 21.0.2 (#​3643)

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See all changes: mozilla/web-ext@9.3.0...9.4.0

v9.3.0: (2026-02-10)

Compare Source

main changes

• Added: web-ext lint now supports Firefox 148 schemas

dependencies

• Updated: dependency @babel/runtime to 7.28.6 (#​3589)
• Updated: dependency addons-linter to 9.6.0 (#​3615)
• Updated: dependency pino to 10.3.1 (#​3619)
• Updated: dependency watchpack to 2.5.1 (#​3598)

dev dependencies

• Updated: dependency @babel/cli to 7.28.6 (#​3590)
• Updated: dependency @babel/core to 7.29.0 (#​3611)
• Updated: dependency @babel/eslint-parser to 7.28.6 (#​3592)
• Updated: dependency @babel/preset-env to 7.29.0 (#​3610)
• Updated: dependency @babel/register to 7.28.6 (#​3593)
• Updated: dependency @commitlint/cli to 20.4.1 (#​3616)
• Updated: dependency @commitlint/config-conventional to 20.4.1 (#​3614)
• Updated: dependency @eslint/compat to 2.0.2 (#​3612)
• Updated: dependency @eslint/eslintrc to 3.3.3 (#​3565)
• Updated: dependency @eslint/js to 9.39.2 (#​3573)
• Updated: dependency chai to 6.2.2 (#​3577)
• Updated: dependency fs-extra to 11.3.3 (#​3575)
• Updated: dependency globals to 17.3.0 (#​3608)
• Updated: dependency lodash to 4.17.23 (#​3601)
• Updated: dependency node-forge to 1.3.2 (#​3562)
• Updated: dependency prettier to 3.8.1 (#​3602)
• Updated: dependency sinon to 21.0.1 (#​3576)
• Updated: dependency undici to 7.18.2 (#​3595)

others

• Added npm audit exception for low severity adv related to mocha jsdiff transitive dependency (#​3605)

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