Allow node.js to use tls1.0 for db connection

[benfriebe]

Issue #, if available:

Description of changes:
Add node option to lower the minimum tls version to 1.0, which is required when running with a MySQL 5.6 DB.

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[obscurerichard]

I just completed https://github.com/aws-samples/aws-serverless-security-workshop/tree/master/docs/04-ssl-in-transit on 2022-05-14 and can confirm that without this change, you would encounter errors of this form for any function that makes a connection to the Aurora RDS MySQL 5.6 database:

2022-05-14T19:19:02.255Z e8406f2b-9dbf-4db2-9977-90e556a0b18e ERROR Error: 140614325852032:error:1425F102:SSL routines:ssl_choose_client_version:unsupported protocol:../deps/openssl/openssl/ssl/statem/statem_lib.c:1958:

--------------------
at Protocol._enqueue (/var/task/node_modules/mysql/lib/protocol/Protocol.js:144:48)
at Protocol.handshake (/var/task/node_modules/mysql/lib/protocol/Protocol.js:51:23)
at Connection.connect (/var/task/node_modules/mysql/lib/Connection.js:116:18)
at Connection._implyConnect (/var/task/node_modules/mysql/lib/Connection.js:454:10)
at Connection.query (/var/task/node_modules/mysql/lib/Connection.js:196:8)
at /var/task/dbUtils.js:25:24
at new Promise (<anonymous>)
at query (/var/task/dbUtils.js:24:16)
at processTicksAndRejections (internal/process/task_queues.js:95:5) {
library: 'SSL routines',
function: 'ssl_choose_client_version',
reason: 'unsupported protocol',
code: 'HANDSHAKE_SSL_ERROR',
fatal: true
}