package/minetest{-game}: bump to version 5.4.1

package/minetest{-game}: bump to version 5.4.1

See Changelog [1]

Update minetest-game licence file hash for:
  mods/player_api/license.txt [2]

Update minetest license file hash for:
  LICENSE.txt [3][4]

[1] https://dev.minetest.net/Changelog#5.3.0_.E2.86.92_5.4.0
[2] https://github.com/minetest/minetest_game/commit/63cffc4bd1851af2acd145f09dbd462287c76068
[3] https://github.com/minetest/minetest/commit/5066fe75830b98f592717b593099a757337c952d
[4] https://github.com/minetest/minetest/commit/92aac69b36d37ace8d2e06721cfa5e488427dcdf

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>