chore(main): release 1.33.0 (#497)

Author: release-please[bot]

CHANGELOG.md

@@ -2,6 +2,17 @@
 
  * [feat]: add support for Firebase v6.0 (#391)
 
+## [1.33.0](https://github.com/googleapis/google-auth-library-php/compare/v1.32.1...v1.33.0) (2023-11-29)
+
+
+### Features
+
+* Add and implement universe domain interface ([#477](https://github.com/googleapis/google-auth-library-php/issues/477)) ([35781ed](https://github.com/googleapis/google-auth-library-php/commit/35781ed573aa9d831d38452eefbac790559dfb97))
+
+### Miscellaneous
+
+* Refactor `AuthTokenMiddleware` ([#492](https://github.com/googleapis/google-auth-library-php/pull/492))
+
 ## [1.32.1](https://github.com/googleapis/google-auth-library-php/compare/v1.32.0...v1.32.1) (2023-10-17)