feat: various improvements

- Update to MidnightLib 1.7.0 and use its features to make the config screen more reliable
- Fix background gradient being opaque briefly when fading out while not in a world
- Fix 1.21.5 compat (still compatible with 1.21.4 as well :D)

gradle.properties

@@ -3,12 +3,12 @@ org.gradle.jvmargs=-Xmx2G
 org.gradle.parallel=true
 
 minecraft_version=1.21.4
-supported_versions=
+supported_versions=1.21.5
 yarn_mappings=1.21.4+build.1
 enabled_platforms=fabric,neoforge
 
 # Mod Properties
-mod_version=5.1.3
+mod_version=5.2.0
 maven_group=eu.midnightdust.blur
 archives_base_name=blur
 release_type=release
@@ -23,5 +23,5 @@ neoforge_version=21.4.10-beta
 yarn_mappings_patch_neoforge_version = 1.21+build.4
 
 # Libraries
-midnightlib_version = 1.6.7
+midnightlib_version = 1.7.0+1.21.4
 modmenu_version = 11.0.2