Fix jars download link to use HTTPS
Fix jars download link to use HTTPS

Non SSL link throws error:

501 HTTPS Required. 
Use https://repo1.maven.org/maven2/
More information at https://links.sonatype.com/central/501-https-required
approvals/ApprovalTests.Java,approvals/ApprovalTests.Java,approvals/ApprovalTests.Java,approvals/ApprovalTests.Java