Support ssl connection to mysql (#414)

* Support ssl connection to mysql
https://github.com/jambonz/jambonz-api-server/issues/413

* using 0/1 for rejectUnauthorized

* added validations for JAMBONES_MYSQL_REJECT_UNAUTHORIZED

* simplied assignment of opts.ssl

* Updated db-helpers to 0.9.11

https://github.com/jambonz/jambonz-feature-server/issues/1151

package-lock.json

@@ -16,7 +16,7 @@
         "@deepgram/sdk": "^1.21.0",
         "@google-cloud/speech": "^6.5.0",
         "@google-cloud/storage": "^7.9.0",
-        "@jambonz/db-helpers": "^0.9.3",
+        "@jambonz/db-helpers": "^0.9.11",
         "@jambonz/lamejs": "^1.2.2",
         "@jambonz/mw-registrar": "^0.2.7",
         "@jambonz/realtimedb-helpers": "^0.8.13",
@@ -4085,9 +4085,9 @@
       }
     },
     "node_modules/@jambonz/db-helpers": {
-      "version": "0.9.7",
-      "resolved": "https://registry.npmjs.org/@jambonz/db-helpers/-/db-helpers-0.9.7.tgz",
-      "integrity": "sha512-5qN/CJZJXpbMkMn+8gFn8PpQ0ZImZxp1EjKyxLUlmMn+xgjeNb29c3pjeVt/6EQnBB65jAax6TNsVzVIfpvE2w==",
+      "version": "0.9.11",
+      "resolved": "https://registry.npmjs.org/@jambonz/db-helpers/-/db-helpers-0.9.11.tgz",
+      "integrity": "sha512-L6xw60J0sYEMlR0EkeqolKbk+g08yvN51V8D0+bBfpTxsJUGgHiYhDgeGeTLU5J1FQCGwmj2RI1AVW5aAu6Q1A==",
       "dependencies": {
         "cidr-matcher": "^2.1.1",
         "debug": "^4.3.4",