Bump com.google.protobuf:protobuf-kotlin from 4.28.2 to 4.28.3

Bumps com.google.protobuf:protobuf-kotlin from 4.28.2 to 4.28.3.

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

Signed-off-by: dependabot[bot] <support@github.com>

build.gradle.kts

@@ -36,7 +36,7 @@ dependencies {
     implementation("commons-io:commons-io:2.17.0")
     implementation("cn.hutool:hutool-crypto:5.8.32")
     implementation("org.java-websocket:Java-WebSocket:1.5.7")
-    implementation("com.google.protobuf:protobuf-kotlin:4.28.2")
+    implementation("com.google.protobuf:protobuf-kotlin:4.28.3")
 
     implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
     implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.7.3")