chore(deps): Update dependency net.fabricmc:fabric-loader to v0.18.4

Author: renovate[bot]

gradle/libs.versions.toml

@@ -36,7 +36,7 @@ kyoriMoonshine = "2.0.4"
 guice = "7.0.0"
 velocityApi = "3.4.0-SNAPSHOT"
 minecraft = "1.21.11"
-fabricLoader = "0.18.3"
+fabricLoader = "0.18.4"
 fabricApi = "0.139.5+1.21.11"
 fabricPermissionsApi = "0.6.1"
 adventurePlatformFabric = "6.8.0"