chore(deps): Update dependency net.fabricmc:fabric-loader to v0.19.4

Author: renovate[bot]

gradle/libs.versions.toml

@@ -13,7 +13,7 @@ geantyref = "1.3.16"
 immutables = "2.12.2"
 
 minecraft = "26.2"
-fabricLoader = "0.19.3"
+fabricLoader = "0.19.4"
 fabricPermissionsApi = "0.7.0"
 neoforge = "26.2.0.0-beta"
 neoform = "26.2-1"