Update dependency mysql:mysql-connector-java to v5.1.42 - autoclosed

[mend-local-app[bot]]

This PR contains the following updates:

Package	Type	Update	Change
mysql:mysql-connector-java	compile	patch	5.1.25 -> 5.1.42

By merging this PR, the below vulnerabilities will be automatically resolved:

Severity	CVSS Score	CVE	Reachability
High	8.5	CVE-2017-3523
Low	3.3	CVE-2017-3589

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