Bump fabric-loom from 1.3.+ to 1.4.3

Bumps fabric-loom from 1.3.+ to 1.4.3.

---
updated-dependencies:
- dependency-name: fabric-loom
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

settings.gradle

@@ -20,7 +20,7 @@ pluginManagement {
 		id "org.parchmentmc.librarian.forgegradle" version "1.+"
 		id "org.spongepowered.mixin" version "0.7.+"
 
-		id "fabric-loom" version "1.3.+"
+		id "fabric-loom" version "1.4.+"
 
 		id "info.u_team.gradle_files" version "3.0.2"
 		id "info.u_team.curse_gradle_uploader" version "1.6.0"