Adapt the Verification Extension to Manifest v3
Originally created by @sajolida on #17209 (Redmine)
Cf. https://blog.mozilla.org/addons/2019/09/03/mozillas-manifest-v3-faq/
Originally created by @sajolida on #17209 (Redmine)
Cf. https://blog.mozilla.org/addons/2019/09/03/mozillas-manifest-v3-faq/