Merge pull request #529 from datastax/feat/jdk21

chore: Revert logback-classic to 1.3.16

Author: msmygit

pom.xml

@@ -67,7 +67,7 @@
     <caffeine.version>2.9.3</caffeine.version>
     <jctools.version>3.3.0</jctools.version>
     <slf4j.version>2.0.16</slf4j.version>
-    <logback.version>1.5.35</logback.version>
+    <logback.version>1.3.16</logback.version>
     <metrics.version>4.2.9</metrics.version>
     <lz4.version>1.8.0</lz4.version>
     <snappy.version>1.1.10.8</snappy.version>