Bump SDK version to 0.25.0
Version bump for the v0.25.0 release (make bump VERSION=0.25.0: 11 version files, 8 lockfiles).
v0.25.0 carries #988 (notifications wording), #989 (rustls 0.23.46 and Go 1.26.9), #990 (list methods return empty slices) and #991 (column move, question update, lineup marker, project timesheet and event boost contracts). #991's breaking changes are in MIGRATING.md under v0.25.0.
Summary by cubic
Bumps all SDK packages from 0.24.0 to 0.25.0, updating version constants, manifests, and lockfiles across Go, Kotlin, Python, Ruby, Rust, Swift, and TypeScript.
v0.25.0 includes updated notifications wording, a rustls 0.23.46 and Go 1.26.9 upgrade, list methods now returning empty slices instead of null, and new contracts for column move, question update, lineup marker, project timesheet, and event boost. Breaking changes are documented in MIGRATING.md under v0.25.0.