Update dependency web-ext to v4.3.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
web-ext	devDependencies	minor	4.2.0 -> 4.3.0

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Release Notes

mozilla/web-ext

### [`v4.3.0`](https://togithub.com/mozilla/web-ext/releases/4.3.0) [Compare Source](https://togithub.com/mozilla/web-ext/compare/4.2.0...4.3.0) ##### Bug Fixes - `web-ext run`: - Fixed bug on using `web-ext run --arg` with values that start with `--` (e.g. Chrome's `--no-default-browser-check` or Firefox's `--search=...` options) (fixed by updating yargs dependency to v15.3.1, [#​1902](https://togithub.com/mozilla/web-ext/pull/1902)) - Added support for running extensions on android build variants by specify the fully qualified android component as `--firefox-apk-component` ([#​1891](https://togithub.com/mozilla/web-ext/issues/1891), [#​1918](https://togithub.com/mozilla/web-ext/issues/1918)), e.g.: `web-ext run --firefox-apk=org.mozilla.fenix.performancetest --firefox-apk-component=org.mozilla.fenix.HomeActivity` - `web-ext sign`: - Fixed bug on setting `web-ext sign` apiKey and apiSecret options into a web-ext config file ([#​1327](https://togithub.com/mozilla/web-ext/issues/1327), [#​1928](https://togithub.com/mozilla/web-ext/issues/1928)) - Fixed `npm audit` errors detected when using web-ext as an npm dependency ([#​1913](https://togithub.com/mozilla/web-ext/issues/1913), [#​1902](https://togithub.com/mozilla/web-ext/pull/1902)) ##### Features - `web-ext run`: - `--firefox-binary "firefoxdeveloperedition"/"deved"` can now be used as shortcut aliases for running an extension on a Firefox Developer Edition instance ([#​1929](https://togithub.com/mozilla/web-ext/issues/1929)) - `web-ext lint`: updated to use addons-linter v1.26.0 ([#​1887](https://togithub.com/mozilla/web-ext/issues/1887)): - Imported firefox 76/77/78 APIs Schema - See all addons-linter changes: [1.23.0...1.26.0](https://togithub.com/mozilla/addons-linter/compare/1.23.0...1.26.0) - `web-ext build`: - Add --filename option to web-ext build command ([#​1335](https://togithub.com/mozilla/web-ext/issues/1335), [#​1900](https://togithub.com/mozilla/web-ext/issues/1900)) See all changes: [4.2.0...4.3.0](https://togithub.com/mozilla/web-ext/compare/4.2.0...4.3.0)

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