Publish 2.0 on Firefox Addons

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Report : https://addons.mozilla.org/en-US/developers/upload/00e5102f3fb34a448c5d254b055624e3

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Migration guide : (needs developer flags in about:config)
https://extensionworkshop.com/documentation/develop/manifest-v3-migration-guide/

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Firefox don't seem to support MV3 even in recent versions. Even if Firefox addons allows to upload them.

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Fixed by 6aaecdd