docs: Rename Qt4 & Qt5 in Dependencies to Qt

docs/markdown/Dependencies.md

@@ -679,7 +679,7 @@ but dependency tries `pkg-config` first.
 
 `method` may be `auto`, `extraframework`, `pkg-config` or `sysconfig`
 
-## Qt4 & Qt5
+## Qt
 
 Meson has native Qt support. Its usage is best demonstrated with an
 example.

docs/markdown/Qt6-module.md

@@ -138,7 +138,7 @@ This method takes the following keyword arguments:
 
 ## Dependencies
 
-See [Qt dependencies](Dependencies.md#qt4-qt5)
+See [Qt dependencies](Dependencies.md#qt)
 
 The 'modules' argument is used to include Qt modules in the project.
 See the Qt documentation for the [list of

docs/markdown/_include_qt_base.md

@@ -128,7 +128,7 @@ This method takes the following keyword arguments:
 
 ## Dependencies
 
-See [Qt dependencies](Dependencies.md#qt4-qt5)
+See [Qt dependencies](Dependencies.md#qt)
 
 The 'modules' argument is used to include Qt modules in the project.
 See the Qt documentation for the [list of