Just for the interim solution: you can install the old [insecure, deprecated, pick your own poison…] packages manually from the 23.04 lunar repo:
Prerequisite: Ubuntu – Package Download Selection -- libtinfo5_6.4-2ubuntu0.1_amd64.deb
Then you can install: https://packages.ubuntu.com/lunar/amd64/libncurses5/download
And then finally LocalWP.
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