Update qt to 6.9.0

Neil Horne · pfeerick · commit 2a03d7332a70 · 2025-07-23T19:51:44.000+10:00
diff --git a/dev/Dockerfile b/dev/Dockerfile
@@ -5,7 +5,7 @@ FROM ubuntu:${OS_CODENAME}
 # Redeclare ARGs after FROM
 ARG OS_CODENAME
 ARG DEBIAN_FRONTEND=noninteractive
-ARG QT_VERSION=6.8.2
+ARG QT_VERSION=6.9.0
 ARG QT_MODULES="-m qtmultimedia qtserialport"
 ARG QT_HOST=linux
 ARG QT_TARGET=desktop
