chore(deps): Bump helidon from 4.3.3 to 4.3.4 in /pbj-core/hiero-dependency-versions (#735)

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pbj-core/hiero-dependency-versions/build.gradle.kts

@@ -3,7 +3,7 @@ group = "com.hedera.hashgraph"
 
 val antlr = "4.13.2"
 val grpc = "1.76.0"
-val helidon = "4.3.3"
+val helidon = "4.3.4"
 val protobuf = "4.33.5"
 
 val junit5 = "6.0.2"