Update installation.mdx Java for v4.3.0 (#1039)

Author: isaacbrodsky

website/docs/installation.mdx

@@ -50,14 +50,14 @@ Using Maven, add the following to your `pom.xml` file:
 <dependency>
     <groupId>com.uber</groupId>
     <artifactId>h3</artifactId>
-    <version>4.1.0</version>
+    <version>4.3.0</version>
 </dependency>
 ```
 
 Using Gradle, add the following to your build script:
 
 ```gradle
-compile("com.uber:h3:4.1.0")
+compile("com.uber:h3:4.3.0")
 ```
 
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