Bump com.google.protobuf:protobuf-java-util from 3.22.3 to 3.22.4 in /examples/distro (#8418)

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

examples/distro/smoke-tests/build.gradle

@@ -5,7 +5,7 @@ plugins {
 dependencies {
   testImplementation("org.testcontainers:testcontainers:1.18.0")
   testImplementation("com.fasterxml.jackson.core:jackson-databind:2.15.0")
-  testImplementation("com.google.protobuf:protobuf-java-util:3.22.3")
+  testImplementation("com.google.protobuf:protobuf-java-util:3.22.4")
   testImplementation("com.squareup.okhttp3:okhttp:4.11.0")
   testImplementation("io.opentelemetry.proto:opentelemetry-proto:0.19.0-alpha")
   testImplementation("io.opentelemetry:opentelemetry-api:${versions.opentelemetry}")