Report changes in the Changelog

Signed-off-by: Nicola Sirena <nssirena@amazon.com>

Author: NSsirena

CHANGELOG.md

@@ -3,6 +3,14 @@ aws-parallelcluster-cookbook CHANGELOG
 
 This file is used to list changes made in each version of the AWS ParallelCluster cookbook.
 
+3.7.1
+------
+**CHANGES**
+- Upgrade Slurm to 23.02.5 (from 23.02.4).
+- Upgrade Pmix to 4.2.6 (from 3.2.3).
+- Upgrade libjwt to 1.15.3 (from 1.12.0).
+
+
 3.7.0
 ------