gobject-introspection: rename package

camelCase package name was a huge inconsistency in GNOME package set.

pkgs/tools/inputmethods/ibus-engines/ibus-anthy/default.nix

@@ -1,5 +1,5 @@
 { stdenv, fetchurl, intltool, pkgconfig
-, anthy, ibus, glib, gobjectIntrospection, gtk3, python3
+, anthy, ibus, glib, gobject-introspection, gtk3, python3
 }:
 
 stdenv.mkDerivation rec {
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   configureFlags = [ "--with-anthy-zipcode=${anthy}/share/anthy/zipcode.t" ];
 
   buildInputs = [
-    anthy glib gobjectIntrospection gtk3 ibus (python3.withPackages (ps: [ps.pygobject3]))
+    anthy glib gobject-introspection gtk3 ibus (python3.withPackages (ps: [ps.pygobject3]))
   ];
 
   nativeBuildInputs = [ intltool pkgconfig python3.pkgs.wrapPython ];

pkgs/tools/inputmethods/ibus-engines/ibus-table/default.nix

@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub
 , autoreconfHook, docbook2x, pkgconfig
-, gtk3, dconf, gobjectIntrospection
+, gtk3, dconf, gobject-introspection
 , ibus, python3 }:
 
 stdenv.mkDerivation rec {
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   '';
 
   buildInputs = [
-    dconf gtk3 gobjectIntrospection ibus (python3.withPackages (pypkgs: with pypkgs; [ pygobject3 ]))
+    dconf gtk3 gobject-introspection ibus (python3.withPackages (pypkgs: with pypkgs; [ pygobject3 ]))
   ];
 
   nativeBuildInputs = [ autoreconfHook docbook2x pkgconfig python3.pkgs.wrapPython ];

pkgs/tools/inputmethods/ibus-engines/ibus-typing-booster/default.nix

@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, autoreconfHook, python3, ibus, pkgconfig, gtk3, m17n_lib
-, wrapGAppsHook, gobjectIntrospection
+, wrapGAppsHook, gobject-introspection
 }:
 
 let
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./hunspell-dirs.patch ];
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig wrapGAppsHook gobjectIntrospection ];
+  nativeBuildInputs = [ autoreconfHook pkgconfig wrapGAppsHook gobject-introspection ];
   buildInputs = [ python ibus gtk3 m17n_lib ];
 
   preFixup = ''