fix(nix): update path to hydra build for 2.24 and newer

[sandydoo]

Renovate currently fails to download Nix because the URL for the latest version has been updated.

WARN: Error updating flake.lock (branch="renovate/lock-file-maintenance")
{
  "err": {
    "cmd": "/bin/sh -c install-tool nix 2.24.1",
    "stderr": "",
    "stdout": "installing v2 tool nix v2.24\n[12:53:34.669] INFO (53): Installing tool [email protected]...\nDownload failed: https://hydra.nixos.org/job/nix/maintenance-2.24/buildStatic.x86_64-linux/latest/download-by-type/file/binary-dist\nDownload failed, retrying\nDownload failed: https://hydra.nixos.org/job/nix/maintenance-2.24/buildStatic.x86_64-linux/latest/download-by-type/file/binary-dist\nDownload failed, retrying\nDownload failed: https://hydra.nixos.org/job/nix/maintenance-2.24/buildStatic.x86_64-linux/latest/download-by-type/file/binary-dist\nDownload failed: https://hydra.nixos.org/job/nix/maintenance-2.24/buildStatic.x86_64-linux/latest/download-by-type/file/binary-dist\n[12:53:37.663] INFO (103): Downloading file ...\n    url: \"https://hydra.nixos.org/job/nix/maintenance-2.24/buildStatic.x86_64-linux/latest/download-by-type/file/binary-dist\"\n    output: \"/tmp/renovate/cache/containerbase/50789f3416da6a7a362045e5add6d2ba81fef302b1678eae91ab63978e430317/binary-dist\"\n[12:53:38.117] ERROR (103): Response code 404 (Not Found)\n[12:53:38.118] FATAL (103): Download failed in 454ms.\n[12:53:38.296] ERROR (53): Command failed with exit code 1: /usr/local/containerbase/bin/install-tool.sh nix 2.24.1\n[12:53:38.297] FATAL (53): Install tool nix failed in 3.6s.\n",

Changes:

• Bumped the version of Nix used in tests to the latest. This replicates the issue.
• Updated the Hydra URL for Nix v2.24+.
• Made a note in the registry docs about the URL change.

[BenoitKnecht]

@sandydoo Hell of a timing: #3067. 😅

[sandydoo]

@BenoitKnecht, we should've had a battle of the PRs! suffix vs path

[BenoitKnecht]

@BenoitKnecht, we should've had a battle of the PRs! suffix vs path

@sandydoo Don't tempt me. ⚔️ 😄