Bump OmniCore

Author: Deftu

gradle/libs.versions.toml

@@ -22,7 +22,7 @@ copycat-image-awt = "0.1.1"
 
 # Per version
 textile = "0.25.0"
-omnicore = "1.0.0-beta.19"
+omnicore = "1.0.0-beta.20"
 lwjgl = "3.3.3" # All downloaded by the isolated-lwjgl3-loader
 
 # Legacy only