This update for qt6-base fixes the following issues:

- CVE-2024-33861: Fixed an invalid pointer being passed as a callback which coud lead to modification of the stack (bsc#1223917)
- CVE-2024-39936: Fixed information leakage due to process HTTP2 communication before encrypted() can be responded to (bsc#1227426)
- CVE-2023-45935: Fixed NULL pointer dereference in QXcbConnection::initializeAllAtoms() due to anomalous behavior from the X server (bsc#1222120)