4.12.8

What's Changed

• fix(utils/mime): Normalize input extension to lowercase before MIME check by @TheEssem in https://github.com/honojs/hono/pull/4800
• fix(bearer-auth): escape regex metacharacters in bearer auth prefix option by @otoneko1102 in https://github.com/honojs/hono/pull/4750

Full Changelog: https://github.com/honojs/hono/compare/v4.12.7...v4.12.8