doc: desc. changes on MODULES_COLORS/--with-*-background-colors

Add description of changes that occurred on version 4.6 and 4.7 for the
--with-dark-background-colors and --with-light-background-colors
installation options and for the MODULES_COLORS environment variable.

Author: xdelaruelle

INSTALL.rst

@@ -651,6 +651,14 @@ instance :instopt:`--without-modulepath<--with-modulepath>`):
 
     .. versionadded:: 4.3
 
+    .. versionchanged:: 4.6
+       Output item for trace information (``tr``) added
+
+    .. versionchanged:: 4.7
+       Output items for module tags auto-loaded (``aL``), forbidden (``F``),
+       hidden and hidden-loaded (``H``), loaded (``L``), nearly-forbidden
+       (``nF``), sticky (``S``) and super-sticky (``sS``) added
+
 .. instopt:: --with-light-background-colors=SGRLIST
 
  Default color set to apply if terminal background color is defined to
@@ -662,6 +670,14 @@ instance :instopt:`--without-modulepath<--with-modulepath>`):
 
     .. versionadded:: 4.3
 
+    .. versionchanged:: 4.6
+       Output item for trace information (``tr``) added
+
+    .. versionchanged:: 4.7
+       Output items for module tags auto-loaded (``aL``), forbidden (``F``),
+       hidden and hidden-loaded (``H``), loaded (``L``), nearly-forbidden
+       (``nF``), sticky (``S``) and super-sticky (``sS``) added
+
 .. instopt:: --with-terminal-background=VALUE
 
  The terminal background color that determines the color set to apply by

doc/source/module.rst

@@ -1812,6 +1812,14 @@ ENVIRONMENT
 
     .. versionadded:: 4.3
 
+    .. versionchanged:: 4.6
+       Output item for trace information (``tr``) added
+
+    .. versionchanged:: 4.7
+       Output items for module tags auto-loaded (``aL``), forbidden (``F``),
+       hidden and hidden-loaded (``H``), loaded (``L``), nearly-forbidden
+       (``nF``), sticky (``S``) and super-sticky (``sS``) added
+
 .. envvar:: MODULES_EXTENDED_DEFAULT
 
  If set to ``1``, a specified module version is matched against starting