treewide: use SRI hash in fetchFromOrCz

[pyrox0]

Per #325892, SRI hashes in the hash field should be used for fetcher instead of sha256, so this fixes it for the one case that it is not correct for fetchFromOrCz calls. This doesn't cause any rebuilds, so there shouldn't be any issues here.

Description of changes

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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[eclairevoyant]

PR title and commit message should be something like cdimgtools: use SRI hash to follow the guidelines, otherwise lgtm

Ignore, just saw the commit message

[eclairevoyant]

cdimgtools.src fetches as expected