Document that SQLite is updated to v3.30.1

Task-number: QTBUG-79416
Change-Id: I5c838249ccb419452790b2e0703c8d8d24d1f25b
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

doc/src/legal/licensechanges.qdoc

@@ -34,6 +34,12 @@
     Changes in Qt and \l{Licenses Used in Qt}{Third Party Modules}
     released with Qt that are relevant to licensing.
 
+    \section1 Qt 5.14.0
+
+    \section2 Qt SQL Module
+
+    \l{SQLite} got updated to upstream version 3.30.1.
+
     \section1 Qt 5.13.2
 
     \section2 Qt SQL Module