Mysql: set default charset to utf8mb4 on pools

package.json

@@ -1,6 +1,6 @@
 {
   "name": "wms-core",
-  "version": "0.21.0",
+  "version": "0.21.1",
   "description": "Node web application framework and toolbelt.",
   "repository": "https://gitlab.com/ArisuOngaku/wms-core",
   "author": "Alice Gaudon <alice@gaudon.pro>",

src/db/MysqlConnectionManager.ts

@@ -80,6 +80,7 @@ export default class MysqlConnectionManager {
             user: config.get('mysql.user'),
             password: config.get('mysql.password'),
             database: config.get('mysql.database'),
+            charset: 'utf8mb4',
         });
     }