Added math.sign and math.copy_sigh molang dep update

deps/local/com/bedrockk/molang/1.1.20/molang-1.1.20.pom

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>local.com.bedrockk</groupId>
+    <artifactId>molang</artifactId>
+    <version>1.1.20</version>
+</project>

deps/local/com/bedrockk/molang/maven-metadata-local.xml

@@ -3,10 +3,10 @@
   <groupId>local.com.bedrockk</groupId>
   <artifactId>molang</artifactId>
   <versioning>
-    <release>1.1.19</release>
+    <release>1.1.20</release>
     <versions>
-      <version>1.1.19</version>
+      <version>1.1.20</version>
     </versions>
-    <lastUpdated>20231949390006</lastUpdated>
+    <lastUpdated>20231949390007</lastUpdated>
   </versioning>
 </metadata>

gradle/libs.versions.toml

@@ -14,7 +14,7 @@ loom = "1.10-SNAPSHOT"
 architectury-plugin = "3.4-SNAPSHOT"
 
 # Common
-molang = "1.1.19"
+molang = "1.1.20"
 graal = "22.3.0"
 icu4j = "71.1"
 jei-api = "19.21.2.313"