webcord-vencord: electron_29 -> electron_30

[NotAShelf]

Description of changes

Changes webcord-vencord's electron version to electron 30 as electron 29 is
almost EoL. Should address #335850.

Tested on x86_64, app starts as intended and Vencord works as expected. No
crashes/undesirable behaviour observed. Further testing appreciated.

Things done

• Built on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• For non-Linux: Is sandboxing enabled in nix.conf? (See
  Nix manual)
  • sandbox = relaxed
  • sandbox = true
• Tested, as applicable:
  • NixOS test(s)
    (look inside
    nixos/tests)
  • and/or
    package tests
  • or, for functions and "core" functionality, tests in
    lib/tests or
    pkgs/test
  • made sure NixOS tests are
    linked
    to the relevant packages
• Tested compilation of all packages that depend on this change using
  nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all
  changes have to be committed, also see
  nixpkgs-review usage
• Tested basic functionality of all binary files (usually in
  ./result/bin/)
• 24.11 Release Notes
  (or backporting
  23.11
  and
  24.05
  Release notes)
  • (Package updates) Added a release notes entry if the change is major or
    breaking
  • (Module updates) Added a release notes entry if the change is
    significant
  • (Module addition) Added a release notes entry if adding a new NixOS
    module
• Fits
  CONTRIBUTING.md.

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[yayayayaka]

Tested on x86_64, app starts as intended and Vencord works as expected. No
crashes/undesirable behaviour observed.

Can confirm, looking good for me.

[github-actions]

Successfully created backport PR for release-24.05:

• [Backport release-24.05] webcord-vencord: electron_29 -> electron_30 #337311