spotify: 1.2.75.510 -> 1.2.78.418

[hraban]

This is both an upgrade and a fix: the current content hashes are broken for me. When I manually fetch the files currently in master from the wayback machine and unpack the dmg I get a different version from the one listed.

I got the hashes by visiting "https://web.archive.org/web/20250000000000*/https://download.scdn.co/Spotify.dmg" and copying the latest url (same for arm).

Things done

• Built on platform:
  • [ ] x86_64-linux
  • [ ] aarch64-linux
  • [ ] x86_64-darwin
  • [ ] aarch64-darwin
• Tested, as applicable:
  • [ ] NixOS tests in nixos/tests.
  • [ ] Package tests at passthru.tests.
  • [ ] Tests in lib/tests or pkgs/test for functions and "core" functionality.
• [ ] Ran nixpkgs-review on this PR. See nixpkgs-review usage.
• [ ] Tested basic functionality of all binary files, usually in ./result/bin/.
• Nixpkgs Release Notes
  • [ ] Package update: when the change is major or breaking.
• NixOS Release Notes
  • [ ] Module addition: when adding a new NixOS module.
  • [ ] Module update: when the change is significant.
• [ ] Fits CONTRIBUTING.md, pkgs/README.md, maintainers/README.md and other READMEs.

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