chore(java-runtime): fix spelling in comment (#4511)

Small typo I noticed while looking at the process handing code


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[Apache 2.0 license]: https://www.apache.org/licenses/LICENSE-2.0

packages/@jsii/java-runtime/project/src/main/java/software/amazon/jsii/JsiiRuntime.java

@@ -44,7 +44,7 @@ public final class JsiiRuntime {
     private JsiiClient client;
 
     /**
-     * The child procesds.
+     * The child process.
      */
     private Process childProcess;