make locks final

Signed-off-by: Todd Baert <[email protected]>

Author: toddbaert

src/main/java/dev/openfeature/sdk/OpenFeatureAPI.java

@@ -16,7 +16,7 @@
  */
 public class OpenFeatureAPI {
     // package-private multi-read/single-write lock
-    static AutoCloseableReentrantReadWriteLock rwLock = new AutoCloseableReentrantReadWriteLock();
+    static final AutoCloseableReentrantReadWriteLock rwLock = new AutoCloseableReentrantReadWriteLock();
     @Getter
     private FeatureProvider provider;
     @Getter

src/main/java/dev/openfeature/sdk/OpenFeatureClient.java

@@ -26,7 +26,7 @@ public class OpenFeatureClient implements Client {
     @Getter
     private final List<Hook> clientHooks;
     private final HookSupport hookSupport;
-    AutoCloseableReentrantReadWriteLock rwLock = new AutoCloseableReentrantReadWriteLock();
+    final AutoCloseableReentrantReadWriteLock rwLock = new AutoCloseableReentrantReadWriteLock();
 
     @Getter
     private EvaluationContext evaluationContext;