vtk_9: qt514 -> qt515

[tfmoraes]

Motivation for this change

As requested in #104474

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.

❯ nix-shell -p nixpkgs-review --run "nixpkgs-review wip"                                                                
$ git -c fetch.prune=false fetch --force https://github.com/NixOS/nixpkgs master:refs/nixpkgs-review/0
remote: Enumerating objects: 50, done.
remote: Counting objects: 100% (50/50), done.
remote: Compressing objects: 100% (12/12), done.
remote: Total 54 (delta 43), reused 44 (delta 38), pack-reused 4
Unpacking objects: 100% (54/54), 9.88 KiB | 1.65 MiB/s, done.
From https://github.com/NixOS/nixpkgs
   0a907ad8488..1f8ef6970a1  master     -> refs/nixpkgs-review/0
$ git worktree add /home/thiago/.cache/nixpkgs-review/rev-0a907ad84884de0d6a65dba8484fb95d302d4b46-dirty-2/nixpkgs 1f8ef6970a146c49a601bec2a7750c3f560e1206
Preparing worktree (detached HEAD 1f8ef6970a1)
HEAD is now at 1f8ef6970a1 linux: 5.9.12 -> 5.9.14
$ nix-env -f /home/thiago/.cache/nixpkgs-review/rev-0a907ad84884de0d6a65dba8484fb95d302d4b46-dirty-2/nixpkgs -qaP --xml --out-path --show-trace
Applying `nixpkgs` diff...
$ nix-env -f /home/thiago/.cache/nixpkgs-review/rev-0a907ad84884de0d6a65dba8484fb95d302d4b46-dirty-2/nixpkgs -qaP --xml --out-path --show-trace --meta
2 packages updated:
f3d vtk

$ nix --experimental-features nix-command build --no-link --keep-going --option build-use-sandbox relaxed -f /home/thiago/.cache/nixpkgs-review/rev-0a907ad84884de0d6a65dba8484fb95d302d4b46-dirty-2/build.nix
2 packages built:
f3d vtk_9

[tfmoraes]

/marvin opt-in
/status needs_reviewer

[marvin-mk2]

Hi! I'm an experimental bot. My goal is to guide this PR through its stages, hopefully ending with a merge. You can read up on the usage here.