Many QoL improvements & Resourcepack features

- Support Sodium 0.6+
- Allow resourcepacks to force culling and hide fully-encircled leaf blocks
- Force leaf culling when the smart leaves pack is enabled
- Reload world when the config changes
- Only apply Sodium mixins when Sodium is actually installed (Removes log spam)

gradle.properties

@@ -1,23 +1,23 @@
 org.gradle.jvmargs=-Xmx4096M
 
-minecraft_version=1.21
-yarn_mappings=1.21+build.2
+minecraft_version=1.21.1
+yarn_mappings=1.21.1+build.3
 enabled_platforms=fabric,neoforge
 
 archives_base_name=cullleaves
-mod_version=3.4.0
+mod_version=4.0.0
 maven_group=eu.midnightdust
 release_type=release
 curseforge_id=423254
 modrinth_id=GNxdLCoP
 
-midnightlib_version=1.5.7
-sodium_version=mc1.21-0.5.9
+midnightlib_version=1.6.3
+sodium_version=mc1.21.1-0.6.5
 
-fabric_loader_version=0.15.11
-fabric_api_version=0.100.1+1.21
+fabric_loader_version=0.16.9
+fabric_api_version=0.110.0+1.21.1
 
-neoforge_version=21.0.14-beta
+neoforge_version=21.1.82
 yarn_mappings_patch_neoforge_version = 1.21+build.4
 
 quilt_loader_version=0.18.9