Fix issue with truncated post-install message

[amoeba]

dbc install doesn't print the entire post install message here,

...
[PostInstall]
messages = ["To use this driver, you must download the libduckdb library for your platform from https://github.com/duckdb/duckdb/releases/tag/v1.3.2 and make it available in your .so/.dylib/.dll import path."]

I only get

To use this driver, you must download the libduckdb library for your platform from https://github.com/duckdb/duckdb/releases/tag