Fix nullability issue in ResolverFacade

Author: marcphilipp

junit-jupiter-api/src/main/java/org/junit/jupiter/api/extension/ExtensionConfigurationException.java

@@ -15,6 +15,7 @@
 import java.io.Serial;
 
 import org.apiguardian.api.API;
+import org.jspecify.annotations.Nullable;
 import org.junit.platform.commons.JUnitException;
 
 /**
@@ -33,7 +34,7 @@ public ExtensionConfigurationException(String message) {
 		super(message);
 	}
 
-	public ExtensionConfigurationException(String message, Throwable cause) {
+	public ExtensionConfigurationException(String message, @Nullable Throwable cause) {
 		super(message, cause);
 	}
 

junit-jupiter-params/src/main/java/org/junit/jupiter/params/ResolverFacade.java

@@ -241,7 +241,7 @@ ArgumentSetLifecycleMethod.ParameterResolver createLifecycleMethodParameterResol
 				.call(() -> configurationErrorOrSuccess(errors,
 					() -> new DefaultArgumentSetLifecycleMethodParameterResolver(originalResolverFacade,
 						lifecycleMethodResolverFacade, parameterDeclarationMapping))) //
-				.getOrThrow(cause -> new ExtensionConfigurationException(
+				.getNonNullOrThrow(cause -> new ExtensionConfigurationException(
 					"Invalid @%s lifecycle method declaration: %s".formatted(
 						annotation.annotationType().getSimpleName(), method.toGenericString()),
 					cause));