fix example mod for 1.19

Author: lukflug

example-mod19/gradle.properties

@@ -2,7 +2,7 @@ org.gradle.jvmargs = -Xmx2500m
 version = 0.2.4
 versionmc = 0.2.4
 
-loomVersion = 1.0.11
+loomVersion = 1.2.7
 minecraft19 = 1.19.2
 mappings19 = 1.19.2+build.28
 loader19 = 0.14.21