Bump exsync from 0.2.3 to 0.2.4

Bumps [exsync](https://github.com/falood/exsync) from 0.2.3 to 0.2.4.
- [Release notes](https://github.com/falood/exsync/releases)
- [Commits](falood/exsync@v0.2.3...v0.2.4)

Signed-off-by: dependabot-preview[bot] <[email protected]>

mix.lock

@@ -16,9 +16,9 @@
   "ex_parameterized": {:hex, :ex_parameterized, "1.3.5", "5ec0a206a9d9de8f4e051621167fcfc3d515d0768bafd9ecf017b092ec1cea75", [], [], "hexpm"},
   "excoveralls": {:hex, :excoveralls, "0.12.3", "2142be7cb978a3ae78385487edda6d1aff0e482ffc6123877bb7270a8ffbcfe0", [:mix], [{:hackney, "~> 1.0", [hex: :hackney, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "568a3e616c264283f5dea5b020783ae40eef3f7ee2163f7a67cbd7b35bcadada"},
   "exop": {:hex, :exop, "1.2.5", "f07c57bd6d7ef51deb767c8b4671a945d5e2e565ea39b3ba6f86129b9c6e1f2a", [:mix], [], "hexpm", "c9564edf31c1bfd57aea0acfbe873614f74eb232762622435ddf4a4a06848e87"},
-  "exsync": {:hex, :exsync, "0.2.3", "a1ac11b4bd3808706003dbe587902101fcc1387d9fc55e8b10972f13a563dd15", [:mix], [{:file_system, "~> 0.2", [hex: :file_system, repo: "hexpm", optional: false]}], "hexpm", "23b6b186a2caa1cf5c0c4dfea9bd181d21d80a4032594d2f7c27d7ca78caa51d"},
+  "exsync": {:hex, :exsync, "0.2.4", "5cdc824553e0f4c4bf60018a9a6bbd5d3b51f93ef8401a0d8545f93127281d03", [:mix], [{:file_system, "~> 0.2", [hex: :file_system, repo: "hexpm", optional: false]}], "hexpm", "f7622d8bb98abbe473aa066ae46f91afdf7a5346b8b89728404f7189d2e80896"},
   "faker": {:hex, :faker, "0.13.0", "8abcb996f010ccd6c85588c89fc047f11134e04da019b70252f95431d721a3dc", [:mix], [], "hexpm", "b0016680cae6776e3d1caa34d70438acc09c11c003e80fd3d44f79ec7370be00"},
-  "file_system": {:hex, :file_system, "0.2.7", "e6f7f155970975789f26e77b8b8d8ab084c59844d8ecfaf58cbda31c494d14aa", [:mix], [], "hexpm", "b4cfa2d69c7f0b18fd06db222b2398abeef743a72504e6bd7df9c52f171b047f"},
+  "file_system": {:hex, :file_system, "0.2.8", "f632bd287927a1eed2b718f22af727c5aeaccc9a98d8c2bd7bff709e851dc986", [:mix], [], "hexpm", "97a3b6f8d63ef53bd0113070102db2ce05352ecf0d25390eb8d747c2bde98bca"},
   "gen_stage": {:hex, :gen_stage, "0.14.1", "9d46723fda072d4f4bb31a102560013f7960f5d80ea44dcb96fd6304ed61e7a4", [:mix], [], "hexpm", "967dd5f2469ba77a8a54eef247c0f08a022f89b627a5b121b18cd224a513042f"},
   "gen_state_machine": {:hex, :gen_state_machine, "2.0.5", "9ac15ec6e66acac994cc442dcc2c6f9796cf380ec4b08267223014be1c728a95", [:mix], [], "hexpm", "5cacd405e72b2609a7e1f891bddb80c53d0b3b7b0036d1648e7382ca108c41c8"},
   "gettext": {:hex, :gettext, "0.17.0", "abe21542c831887a2b16f4c94556db9c421ab301aee417b7c4fbde7fbdbe01ec", [:mix], [], "hexpm", "e0b8598e802676c81e66b061a2148c37c03886b24a3ca86a1f98ed40693b94b3"},