add 1.20.3 which was also missing lol

Author: programmer1o1

settings.gradle.kts

@@ -18,7 +18,7 @@ stonecutter {
             "1.17", "1.17.1",
             "1.18", "1.18.1", "1.18.2",
             "1.19", "1.19.1", "1.19.2", "1.19.3", "1.19.4",
-            "1.20", "1.20.1", "1.20.2", "1.20.4", "1.20.5", "1.20.6",
+            "1.20", "1.20.1", "1.20.2", "1.20.4", "1.20.3", "1.20.5", "1.20.6",
             "1.21", "1.21.1", "1.21.2", "1.21.3", "1.21.4", "1.21.5", "1.21.8"
         )
         vcsVersion = "1.21.8"

versions/1.20.3/gradle.properties

@@ -0,0 +1,5 @@
+deps.yarn=1.20.3+build.1
+deps.fabric_api=0.91.1+1.20.3
+mod.mc_dep=1.20.3
+mod.mc_title=greentextmod-1.20.3
+mod.mc_targets=1.20.3