fix: stateBlockingQueue size increase to fix missed/delayed messages (#1422)

Signed-off-by: christian.lutnik <christian.lutnik@dynatrace.com>
Co-authored-by: Todd Baert <todd.baert@dynatrace.com>

Author: chrfwow

providers/flagd/src/main/java/dev/openfeature/contrib/providers/flagd/resolver/process/storage/FlagStore.java

@@ -34,7 +34,7 @@ public class FlagStore implements Storage {
     private final WriteLock writeLock = sync.writeLock();
 
     private final AtomicBoolean shutdown = new AtomicBoolean(false);
-    private final BlockingQueue<StorageStateChange> stateBlockingQueue = new LinkedBlockingQueue<>(1);
+    private final BlockingQueue<StorageStateChange> stateBlockingQueue = new LinkedBlockingQueue<>(4);
     private final Map<String, FeatureFlag> flags = new HashMap<>();
     private final Map<String, Object> flagSetMetadata = new HashMap<>();