RUSTSEC-2025-0075: `unic-char-range` is unmaintained

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Details
Package	unic-char-range
Version	0.9.0
Warning	unmaintained
URL	rustsec/advisory-db#2414
Patched Versions	n/a

All Unicode crates that are part of https://github.com/open-i18n/rust-unic are unmaintained.

Recommended alternatives

• Since version 1.45.0 Rust supports using char with ops::{Range, RangeFrom, RangeFull, RangeInclusive, RangeTo} to iterate over a range of codepoints.