fix: update MySQL connection string in environment files for consistency

.env.mgnt

@@ -2,7 +2,7 @@
 APP_ENV=test
 
 # Prisma Config
-MYSQL_URL="mysql://boxdbuser:ZXcv1234@localhost:3306/box_admin"
+MYSQL_URL="mysql://boxdbuser:dwR=)whu2Ze@localhost:3306/box_admin"
 MONGO_URL="mongodb://boxuser:dwR%3D%29whu2Ze@localhost:27017/box_admin?authSource=box_admin&replicaSet=rs0"
 
 # Redis Config

.env.mgnt.test

@@ -2,7 +2,7 @@
 APP_ENV=test
 
 # Prisma Config
-MYSQL_URL="mysql://boxdbuser:ZXcv1234@localhost:3306/box_admin"
+MYSQL_URL="mysql://boxdbuser:dwR=)whu2Ze@localhost:3306/box_admin"
 MONGO_URL="mongodb://boxuser:dwR%3D%29whu2Ze@localhost:27017/box_admin?authSource=box_admin&replicaSet=rs0"
 
 # Redis Config