Bump NFRT to fix Forge 1.20.1 issues (#196)

Author: shartte

src/main/java/net/neoforged/nfrtgradle/NeoFormRuntimeExtension.java

@@ -13,7 +13,7 @@
 public abstract class NeoFormRuntimeExtension {
     public static final String NAME = "neoFormRuntime";
 
-    private static final String DEFAULT_NFRT_VERSION = "1.0.9";
+    private static final String DEFAULT_NFRT_VERSION = "1.0.12";
 
     @Inject
     public NeoFormRuntimeExtension(Project project) {