See https://www.mozilla.org/en-US/firefox/86.0/releasenotes/ Fixes https://www.mozilla.org/en-US/security/advisories/mfsa2021-07/ - drop patch-Cargo_toml, was from upstream in #1684261 - add patch from #1686405 to fix the build on non-tier1
See https://www.mozilla.org/en-US/firefox/86.0/releasenotes/ Fixes https://www.mozilla.org/en-US/security/advisories/mfsa2021-07/ - drop patch-Cargo_toml, was from upstream in #1684261 - add patch from #1686405 to fix the build on non-tier1