Fix: Add okio dependency for gRPC 1.77.0 compatibility

Signed-off-by: Ndacyayisenga-droid <ndacyayinoah@gmail.com>

Author: Ndacyayisenga-droid

hiero-enterprise-base/src/main/java/module-info.java

@@ -24,4 +24,5 @@
   requires com.google.protobuf; // TODO: We should not have the need to use it
   requires static org.jspecify;
   requires com.google.auto.service;
+  requires okio;
 }

hiero-enterprise-base/src/test/java/module-info.java

@@ -6,6 +6,7 @@
   requires org.junit.jupiter.params;
   requires org.mockito;
   requires org.slf4j;
+  requires okio;
 
   provides com.openelements.hiero.base.config.NetworkSettingsProvider with
       com.openelements.hiero.base.test.config.SoloActionNetworkSettingsProvider;