Cherry-picked from #84838.

Motivation for this change

The current version of tor-browser-bundle-bin is out-of-date, has known security vulnerabilities and is no longer available for download.

Things done

Updated tor-browser-bundle-bin from 9.0.7 to 9.0.9:

• Security fixes:
  • https://www.mozilla.org/en-US/security/advisories/mfsa2020-13/
  • https://www.mozilla.org/en-US/security/advisories/mfsa2020-11/
• Full changelog:
  • https://blog.torproject.org/new-release-tor-browser-909
  • https://blog.torproject.org/new-release-tor-browser-908

• Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS linux)
• Built on platform(s)
  • NixOS
  • macOS
  • other Linux distributions
• Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
• Tested compilation of all pkgs that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
• Tested execution of all binary files (usually in ./result/bin/)
• Determined the impact on package closure size (by running nix path-info -S before and after)
• Ensured that relevant documentation is up to date
• Fits CONTRIBUTING.md.

Thanks!