[hotfix] Fix flinkVersionNew >= 1.15

[vauns]

[hotfix] Fix flinkVersionNew based on versions greater than or equal to 1.15

[vauns]

ext {
    // because the version 1.1.5+ without scalaBinaryVersion
    flinkVersionNew = flinkVersion.toString().replace("-SNAPSHOT", "") >= "1.15" 
}
if (flinkVersionNew) {
    mainClassName = '${organization}.DataStreamJob'
} else {
    mainClassName = '${organization}.StreamingJob'
}
dependencies {
    if (flinkVersionNew) {
        implementation "org.apache.flink:flink-streaming-java:\${flinkVersion}"
        implementation "org.apache.flink:flink-clients:\${flinkVersion}"
    } else {
        implementation "org.apache.flink:flink-streaming-java_\${scalaBinaryVersion}:\${flinkVersion}"
        implementation "org.apache.flink:flink-clients_\${scalaBinaryVersion}:\${flinkVersion}"
    }
}