Set MySQL connector SSL to TLSv1.0
Set MySQL connector SSL to TLSv1.0

The default is TLSv1.2, but is not supported by our servers:
* AWS MySQL 5.6 is limited to TLS v1.0
* The MySQL 5.7 Docker image is limited to TLS v1.1

Use TLS v.1.0, with a TODO to update as we update servers.

The path to a Certificate Authority (CA) is also needed for TLS.

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