Bump com.google.protobuf:protobuf-java from 3.25.3 to 4.28.3

Bumps [com.google.protobuf:protobuf-java](https://github.com/protocolbuffers/protobuf) from 3.25.3 to 4.28.3.
- [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)

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

Signed-off-by: dependabot[bot] <[email protected]>

yoti-sdk-parent/pom.xml

@@ -101,7 +101,7 @@
     <slf4j.version>2.0.16</slf4j.version>
     <bouncy.castle.version>1.70</bouncy.castle.version>
     <jackson.version>2.16.1</jackson.version>
-    <protobuf-java.version>3.25.3</protobuf-java.version>
+    <protobuf-java.version>4.28.3</protobuf-java.version>
     <httpmime.version>4.5.14</httpmime.version>
 
     <!-- spring versions -->