Update Java profiler library to 1.39.0 (#10836)

Update Java profiler library to 1.39.0

Contains a number of stability and performance fixes as well as improved stack unwinding fidelity.

Co-authored-by: jaroslav.bachorik <jaroslav.bachorik@datadoghq.com>

Author: jbachorik

gradle/libs.versions.toml

@@ -7,7 +7,7 @@ forbiddenapis = "3.10"
 spotbugs_annotations = "4.9.8"
 
 # DataDog libs and forks
-ddprof = "1.38.0"
+ddprof = "1.39.0"
 dogstatsd = "4.4.3"
 okhttp = "3.12.15" # Datadog fork to support Java 7