element-web, element-desktop: 1.7.2 -> 1.7.3

[mweinelt]

Motivation for this change

Two security problems.

• Element Web 1.7.3 (as well as the earlier release 1.7.2) fixes an issue where replying to a specially formatted message would make it seem like the replier said something they did not. Thanks to Sorunome for responsibly disclosing this via Matrix's Security Disclosure Policy.

• Element Web 1.7.3 (as well as the earlier release 1.7.2) fixes an issue where an unexpected language ID in a code block could cause Element to crash. Thanks to SakiiR for responsibly disclosing this via Matrix's Security Disclosure Policy.

Things done

• 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.

[mweinelt]

Result of nixpkgs-review pr 94745 1

2 packages built:

- element-desktop
- element-web

[Ma27]

Please also backport to stable as soon as this is merged.

[Ma27]

Thanks! Ported to stable as 5580251, f80b8d1.