dict-scientific_terms_US: custom_scientific_US.trie file appears to be broken/unreadable

## Problem The dictionary file for Scientific Terms (US) is in `.trie` binary format and cannot be read as a plain text file. - File: `dictionaries/scientific_terms_US/dict/custom_scientific_US.trie` - Other dictionaries provide `.txt` format files ## Expected A plain text `.txt` format dictionary file, like other dictionaries (e.g. `ruby.txt`, `cpp-refined.txt`). ## Environment - cspell-dicts version: main branch