Hono 4.12.29 release notes

fix(client): merge function headers with per-request headers by @yusukebe in https://github.com/honojs/hono/pull/5092
chore: fix no-op tsc in test script by @yusukebe in https://github.com/honojs/hono/pull/5093
fix(lambda-edge): resolve the handler with the value passed to the callback by @yusukebe in https://github.com/honojs/hono/pull/5094
docs(language): add JSDoc @example to languageDetector by @codebybilal18 in https://github.com/honojs/hono/pull/5081
test(workerd): add compatibilityDate by @yusukebe in https://github.com/honojs/hono/pull/5100
fix(lambda-edge): base64 encode content-encoded response bodies by @yusukebe in https://github.com/honojs/hono/pull/5099
fix(aws-lambda): treat any non-identity content-encoding as binary by @yusukebe in https://github.com/honojs/hono/pull/5101
fix(types): strip extra properties from array types in JSONParsed by @Arman-Luthra in https://github.com/honojs/hono/pull/5103
fix(trie-router): match empty wildcard remainder after regexp param by @usualoma in https://github.com/honojs/hono/pull/5102
fix(etag): treat If-None-Match: * as a match by @yusukebe in https://github.com/honojs/hono/pull/5084

Full Changelog: https://github.com/honojs/hono/compare/v4.12.28...v4.12.29