Hono 4.12.17 release notes

fix(jsx): normalize SVG attributes on the root element by @kfly8 in https://github.com/honojs/hono/pull/4893
fix(ssg): add atom+xml and rss+xml to defaultExtensionMap by @yuintei in https://github.com/honojs/hono/pull/4899
fix(cors): make origin optional in CORSOptions by @truffle-dev in https://github.com/honojs/hono/pull/4905
fix(types): propagate middleware response types to app.on overloads by @T4ko0522 in https://github.com/honojs/hono/pull/4906

Full Changelog: https://github.com/honojs/hono/compare/v4.12.16...v4.12.17