gdscript-formatter: fix hash, remove `.git` from `src` (#482330)

    owner = "GDQuest";

    repo = "GDScript-formatter";

    tag = finalAttrs.version;

    hash = "sha256-nnLVmd7wVHdDcAnyCHCVYckmbzMdSGIVL2iSgDC+9cs=";

    hash = "sha256-V9zrL2Aku5e+9McXpXdXvsGJKjqVXIIaAsoAF2xHB4g=";

    # Needed due to .gitattributes being used for the Godot addon and export-ignoring all files

    deepClone = true;

    # Avoid hash differences due to differences in .git

    leaveDotGit = false;

  };

  cargoHash = "sha256-xqGmv/e1Ch/EqutIb2claiJ8fQGDDdOriOZdt8SR8mw=";