graphics/qgis-ltr: Update to 3.34.11

Changelog: https://qgis.org/project/visual-changelogs/visualchangelog334/

https://github.com/qgis/QGIS/compare/final-3_34_10%5E...final-3_34_11

Reported by: portscout, Repology
MFH: 2024Q3

(cherry picked from commit 2cae3c94751d478c21c696d9af48f78d2d710001)