20250512.rc1
* Apply LTS transformations for 20250512 LTS branch * Cherry-pick https://github.com/google/cctz/commit/306fd9b37247a72145ca3f39e59203fb7dfcc890
* Apply LTS transformations for 20250512 LTS branch * Cherry-pick https://github.com/google/cctz/commit/306fd9b37247a72145ca3f39e59203fb7dfcc890