chore: bumping deps and version

Author: f1yingbanana

package.json

@@ -1,10 +1,10 @@
 {
   "name": "com.google.librarywrapper.openjdk8",
-  "version": "0.2.3",
+  "version": "0.2.4",
   "displayName": "Library Wrappers OpenJDK 8",
   "description": "Library Wrapper is a code generator that parses Java API and produces wrapper APIs in Unity C#. This Unity package contains generated C# wrappers for a trimmed down version of OpenJDK 8, consisting of `java.lang` and `java.util` classes. These wrappers allow developers to access common Java data structures easily.",
   "dependencies": {
-    "com.google.librarywrapper.java": "0.2.0"
+    "com.google.librarywrapper.java": "0.2.1"
   },
   "unity": "2017.1",
   "author": {