Add auto-override: false to Sources.json entries

After Functions.nix supports auto-override, update Sources.json to mark entries that should NOT auto-override nixpkgs.

Add "auto-override": false to these categories:

1. NEW Python packages (not in nixpkgs, we provide derivation):

• kerykeion, pyswisseph, perscache, logfire, pydantic-ai, simple-ascii-tables

2. NEW Haskell packages:

• clay, docopt, ghc-exactprint, regex-applicative

3. Other new packages:

• inspekt3d

4. Infrastructure (not packages at all):

• nixos-23_05, nixos-23_11, nixos-24_05, nixos-24_11, nixos-25_05, nixos-unstable
• nixos-mailserver, nvidia-patch-nixos

Leave auto-override defaulting to true for nixpkgs OVERRIDES:

• cgit, radicale, guix, niv, llm, ollama-python, interegular, outlines, nostr-rs-relay

Files: Omni/Bild/Sources.json