Add resize and reposition of MSYS2 update hints

This ensures, that the text is always below the components list and that
it is resized dynamically based to the installer window size.

CHANGELOG-2.7.md

@@ -17,6 +17,7 @@
 ### Changed
 - Move HTML documentation to optional install component "Ruby RI and HTML documentation".
 - Update to OpenSSL-1.1.1g, libffi-3.3 and gcc-10.2.
+- Update to InnoSetup-6 which enables a larger and resizable installer window.
 - Skip gemspec based package install if dependency is already satisfied. #67
   This avoids unwanted/unnecessary up- or downgrades of MSYS2/MINGW packages on "gem install" when a package is already installed and the version meets optional version constraints.
 - Update of the SSL CA certificate list.

recipes/installer-inno/ri_gui.iss

@@ -138,17 +138,17 @@ begin
 
   {* Add label to components list *}
 
-  CompLabel := TLabel.Create(WizardForm);
-  CompLabel.Parent := WizardForm.SelectComponentsPage;
-  CompLabel.Left := WizardForm.ComponentsList.Left;
-  CompLabel.Width := WizardForm.ComponentsList.Width;
+  WizardForm.ComponentsList.Height := WizardForm.ComponentsList.Height - ScaleY(65);
+
+  Page := PageFromID(wpSelectComponents);
+  CompLabel := TLabel.Create(Page);
+  CompLabel.Parent := Page.Surface;
+  CompLabel.Top := WizardForm.ComponentsList.Top + WizardForm.ComponentsList.Height + ScaleY(12);
+  CompLabel.Width := Page.SurfaceWidth;
   CompLabel.Height := ScaleY(40);
-  CompLabel.Top := WizardForm.ComponentsList.Top + ScaleY(180);
   CompLabel.AutoSize := False;
   CompLabel.WordWrap := True;
-
-  WizardForm.ComponentsList.Height :=
-    WizardForm.ComponentsList.Height - CompLabel.Height - ScaleY(40);
+  CompLabel.Anchors := [akLeft, akBottom, akRight];
 
   {* Bypass click event on ComponentsList *}
   ComplistPrevClickCheck := WizardForm.ComponentsList.OnClickCheck;