Bump protobuf from 4.29.0 to 4.29.3 (#448)

Bumps `protobuf` from 4.29.0 to 4.29.3.

Updates `com.google.protobuf:protobuf-java` from 4.29.0 to 4.29.3
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](https://github.com/protocolbuffers/protobuf/commits)

Updates `com.google.protobuf:protobuf-kotlin` from 4.29.0 to 4.29.3

---
updated-dependencies:
- dependency-name: com.google.protobuf:protobuf-java
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.google.protobuf:protobuf-kotlin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -2,7 +2,7 @@
 jackson = "2.18.1"
 victools-json-schema = "4.37.0"
 ksp = "2.0.21-1.0.28"
-protobuf = "4.29.0"
+protobuf = "4.29.3"
 opentelemetry = "1.44.1"
 vertx = "4.5.11"
 kotlinx-serialization = "1.7.3"