[CHORE] Port for 1.21

NeoForge/build.gradle

@@ -31,7 +31,7 @@ shadowJar {
 
 unimined.minecraft {
     neoForged {
-        loader neoforge_version
+        loader "net.neoforged:neoforge:${neoforge_version}:universal"
         mixinConfig("${mod_id}.mixins.json", "${mod_id}.neoforge.mixins.json")
     }
 }
@@ -103,8 +103,8 @@ publisher {
     setVersionType("release")
     setChangelog("https://raw.githubusercontent.com/hypherionmc/changelogs/main/craterlib/changelog-forge.md")
     setProjectVersion("${minecraft_version}-${project.version}")
-    setDisplayName("[NeoForge 1.20.6] CraterLib - ${project.version}")
-    setGameVersions("1.20.6")
+    setDisplayName("[NeoForge 1.21.0] CraterLib - ${project.version}")
+    setGameVersions("1.21")
     setLoaders("neoforge")
     setArtifact(remapJar)
     setCurseEnvironment("both")