[LyX/master] Amend 6ba2b5c5 for cmake build: Require at least Qt 5.12

[Kornel Benko]

commit 7bba9a3adecf5d6dc5be7392c74fe9a832787015
Author: Kornel Benko <kornel at lyx.org>
Date:   Thu Oct 24 11:31:27 2024 +0200

    Amend 6ba2b5c5 for cmake build: Require at least Qt 5.12
---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 590ee9ed69..54b029b4b2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -658,7 +658,7 @@ else()
 	set(LYX_DEBUG ON)
 endif()
 
-set(min_qt5_version "5.6")
+set(min_qt5_version "5.12")
 if(LYX_USE_QT MATCHES "AUTO")
 	# try qt6 first
 	foreach(_mod Core Gui Widgets Concurrent Svg)