fix(deps): update dependency net.fabricmc:fabric-loader to v0.19.3

Author: renovate[bot]

gradle/libs.versions.toml

@@ -3,7 +3,7 @@ adventure = "4.26.1"
 junit = "6.0.3"
 blossom = "2.2.0"
 shadow = "9.4.1"
-fabric-loader = "0.19.1"
+fabric-loader = "0.19.3"
 fabric-api = "0.135.0+1.21.10"
 minecraft = "1.21.10"
 adventurefabric = "6.8.0"