chore(main): release 6.4.1

Author: release-please[bot]

CHANGELOG.md

@@ -1,5 +1,14 @@
 # Changelog
 
+## [6.4.1](https://github.com/firebase/php-jwt/compare/v6.4.0...v6.4.1) (2023-05-10)
+
+
+### Bug Fixes
+
+* Allow KID index 0 ([be6eb58](https://github.com/firebase/php-jwt/commit/be6eb589e86b0f8ca9e050765b3375dfab5bf91e))
+* Allow KID index 0 ([4543842](https://github.com/firebase/php-jwt/commit/4543842ca47254de7d2d04b8771a8528690cb00a))
+* allow KID of '0' ([#505](https://github.com/firebase/php-jwt/issues/505)) ([9dc46a9](https://github.com/firebase/php-jwt/commit/9dc46a9c3e5801294249cfd2554c5363c9f9326a))
+
 ## [6.4.0](https://github.com/firebase/php-jwt/compare/v6.3.2...v6.4.0) (2023-02-08)