Update CloudHSM Client latest and log4j version

[nikran-amzn]

Issue #, if available:

• Upgrade log4j from version 2.8 to 2.13.3 in accordance with client upgrade
• Client 3.1.0 --> 3.1.2

Description of changes: Upgraded client version and log4j version in the pom.xml file

Testing

Tested change on an ec2 instance with client version 3.1.2 installed Testing environment: Amazon Linux 2 EC2 instance

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[ec2-user] /home/ec2-user/aws-cloudhsm-jce-examples (0)
➜  yum list installed | grep cloudhsm
cloudhsm-client.x86_64             3.1.2-1.el6                       installed
cloudhsm-client-jce.x86_64         3.1.2-1.el6                       installed

[ec2-user] /home/ec2-user/aws-cloudhsm-jce-examples (0)
➜  ls /opt/cloudhsm/java/
cloudhsm-test-3.1.2.jar  junit.jar             log4j-core-2.13.3.jar
cloudhsm-3.1.2.jar    hamcrest-all-1.3.jar     log4j-api-2.13.3.jar

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Test Run is attached: jce-samples-test.txt

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