Bump mods/mysql_auth from `d9fecd3` to `4dc66c7` (#560)
Bump mods/mysql_auth from `d9fecd3` to `4dc66c7` (#560)

Bumps [mods/mysql_auth](https://github.com/MinetestForFun/mysql_auth) from `d9fecd3` to `4dc66c7`.
- [Release notes](https://github.com/MinetestForFun/mysql_auth/releases)
- [Commits](https://github.com/MinetestForFun/mysql_auth/compare/d9fecd3b162bf37d0aaef6a7d5844bdf22c1f011...4dc66c721cfe47a1dd440e4a3b8b1f5802d2f2a6)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
Co-authored-by: David Leal <0b209542e2cd56fe9ac8a7e6a4db0313d7838436@gmail.com>
MinetestForFun/server-minetestforfun,MinetestForFun/server-minetestforfun,Ombridride/minetest-minetestforfun-server,MinetestForFun/minetest-minetestforfun-server,Ombridride/minetest-minetestforfun-server,Ombridride/minetest-minetestforfun-server,MinetestForFun/minetest-minetestforfun-server,MinetestForFun/server-minetestforfun,MinetestForFun/minetest-minetestforfun-server