Hold prettier4j minor version as it introduces a breaking change

Author: yefrig

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ spotbugs = "6.0.22"
 spotless = "7.0.3"
 smithy-gradle = "1.2.0"
 assertj = "3.27.3"
-prettier4j = "0.3.1"
+prettier4j = "0.3.0"
 maven-resolver-provider = "3.9.9"
 maven-resolver = "1.9.22"
 slf4j = "1.7.36"