Kozou v1.12.2

What's Changed

• chore(deps): override transitive ts-deepmerge to >=8.0.0 (OSV-Scanner unblock) by @takashi-matsuyama in #198
• fix(api): pre-flight native-enum and empty-string values (500 -> 400) by @takashi-matsuyama in #197
• fix(api): reject an out-of-range pagination offset with a 400 by @takashi-matsuyama in #199
• release: v1.12.2 — input-validation hardening (500 -> 400) + dependency hygiene by @takashi-matsuyama in #200

Full Changelog: v1.12.1...v1.12.2