fix: eliminate usage of Promise.join (#12063)

lib/dialects/abstract/connection-manager.js

@@ -178,13 +178,13 @@ class ConnectionManager {
         debug('connection destroy');
       },
       destroyAllNow: () => {
-        return Promise.join(
+        return Promise.all(
           this.pool.read.destroyAllNow(),
           this.pool.write.destroyAllNow()
-        ).tap(() => { debug('all connections destroyed'); });
+        ).then(() => { debug('all connections destroyed'); });
       },
       drain: () => {
-        return Promise.join(
+        return Promise.all(
           this.pool.write.drain(),
           this.pool.read.drain()
         );