Log Message:
openttd: Update to 13.4

upstream changes:
-----------------
13.4 (2023-07-29)
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Fix: Setting tree lines drawn incorrectly for RTL languages (#11070)
Fix #11043: Don't choose toolbar dropdown option if focus is lost (#11044)
Fix #10917: Pay loan interest before generating statistics (#11040)
Fix #11016: Use after free in network invalid packet error path (#11022)
Fix #10987: Double-close of dropdown stopped land-info tool working as default \ 
(#11000)