Add Javadoc since for HighCardinalityTagsDetector.Builder

See micrometer-metricsgh-6510

Signed-off-by: Johnny Lim <izeye@naver.com>

Author: izeye

micrometer-core/src/main/java/io/micrometer/core/instrument/HighCardinalityTagsDetector.java

@@ -197,6 +197,7 @@ private static long calculateThreshold() {
 
     /**
      * Builder for {@code HighCardinalityTagsDetector}.
+     * @since 1.16.0
      */
     public static class Builder {