use qt 6.4.2

resources/desktop/rssguard.metainfo.xml.in

@@ -60,7 +60,7 @@
   <content_rating type="oars-1.0" />
   <content_rating type="oars-1.1" />
   <releases>
-    <release version="4.2.7" date="2023-01-09" />
+    <release version="4.2.7" date="2023-01-10" />
   </releases>
   <provides>
     <binary>@APP_LOW_NAME@</binary>

resources/scripts/github-actions/build-linux-mac.sh

@@ -51,7 +51,7 @@ else
   USE_QT6="ON"
 
   QTPATH="$(pwd)/Qt"
-  QTVERSION="6.4.1"
+  QTVERSION="6.4.2"
   QTBIN="$QTPATH/$QTVERSION/$QTOS/bin"
 
   pip3 install aqtinstall

resources/scripts/github-actions/build-windows.ps1

@@ -20,12 +20,11 @@ $AllProtocols = [System.Net.SecurityProtocolType]'Tls11,Tls12'
 $ProgressPreference = 'SilentlyContinue'
 
 # Get and prepare needed dependencies.
-
 if ($use_qt5 -eq "ON") {
   $qt_version = "5.15.2"
 }
 else {
-  $qt_version = "6.3.2"
+  $qt_version = "6.4.2"
 }
 
 $maria_version = "10.6.11"