1.21.3

What's Changed

• build with go 1.23.5
• Bump google.golang.org/grpc from 1.69.2 to 1.69.4 by @dependabot in #144
• Bump google.golang.org/protobuf from 1.36.1 to 1.36.3 by @dependabot in #146
• Bump google.golang.org/grpc from 1.69.4 to 1.70.0 by @dependabot in #148
• Bump google.golang.org/protobuf from 1.36.3 to 1.36.4 by @dependabot in #147

Full Changelog: v1.21.2...v1.21.3