Revert "cargo-docset: rename package to cargoDocset"

This reverts commit f09a10a168.

nixpkgs convention is to keep cargo packages in kebab-case.

pkgs/additional/cargo-docset/hook.nix

@@ -1,10 +1,10 @@
 { makeSetupHook
 , cargo
-, cargoDocset
+, cargo-docset
 }:
 makeSetupHook {
   name = "cargo-docset-hook";
   propagatedBuildInputs = [
-    cargo cargoDocset
+    cargo cargo-docset
   ];
 } ./hook.sh

pkgs/default.nix

@@ -13,7 +13,7 @@ let
     ### ADDITIONAL PACKAGES
     bootpart-uefi-x86_64 = callPackage ./additional/bootpart-uefi-x86_64 { };
     browserpass-extension = callPackage ./additional/browserpass-extension { };
-    cargoDocset = callPackage ./additional/cargo-docset { };
+    cargo-docset = callPackage ./additional/cargo-docset { };
     cargoDocsetHook = callPackage ./additional/cargo-docset/hook.nix { };
     feeds = lib.recurseIntoAttrs (callPackage ./additional/feeds { });
     gopass-native-messaging-host = callPackage ./additional/gopass-native-messaging-host { };