dev_scripts: Bump PySide6 version to 6.7.1

Bump the PySide6 version used in our user environments to 6.7.1, to
mirror the one we ship to our users, and also fix a segfault issue in
our CI tests.

Refs #801

dev_scripts/env.py

@@ -17,7 +17,7 @@
 DEFAULT_SHOW_DOCKERFILE = False
 DEFAULT_DOWNLOAD_PYSIDE6 = False
 
-PYSIDE6_VERSION = "6.6.3.1"
+PYSIDE6_VERSION = "6.7.1"
 PYSIDE6_RPM = "python3-pyside6-{pyside6_version}-1.fc{fedora_version}.x86_64.rpm"
 PYSIDE6_URL = (
     "https://packages.freedom.press/yum-tools-prod/dangerzone/f{fedora_version}/%s"