Installing WebAssembly Qt 6.7.0 fails

[timangus]

Describe the bug Qt for WebAssembly 6.7.0 fails to install as before, and doesn't appear to be available.

To Reproduce Steps to reproduce the behavior:

1. Run aqt install-qt linux desktop 6.7.0 wasm_multithread --autodesktop
2. Observe error message.

Expected behavior Qt for WebAssembly 6.7.0 is installed.

aqt output

$ aqt install-qt linux desktop 6.7.0 wasm_multithread --autodesktop
INFO    : aqtinstall(aqt) v3.1.13 on Python 3.10.12 [CPython GCC 11.4.0]
INFO    : You are installing the Qt6-WASM version of Qt, which requires that the desktop version of Qt is also installed. Now installing Qt: desktop 6.7.0 linux_gcc_64
WARNING : Failed to download checksum for the file 'Updates.xml'. This may happen on unofficial mirrors.
ERROR   : Failed to locate XML data for Qt version '6.7.0'.
==============================Suggested follow-up:==============================
* Please use 'aqt list-qt linux desktop' to show versions available.

$ aqt list-qt linux desktop --arch 6.7.0
linux_gcc_64

Desktop (please complete the following information):

• OS: linux
• aqt version: aqtinstall(aqt) v3.1.13 on Python 3.10.12 [CPython GCC 11.4.0]

Additional context Valid output of 6.6.3 query, for comparison:

$ aqt list-qt linux desktop --arch 6.6.3
gcc_64 wasm_singlethread wasm_multithread