Fix nullability @⁠Contract for SupplierUtils.resolve(Supplier)

Closes gh-34987

spring-core/src/main/java/org/springframework/util/function/SupplierUtils.java

@@ -37,7 +37,7 @@ public abstract class SupplierUtils {
 	 * @param supplier the supplier to resolve
 	 * @return the supplier's result, or {@code null} if none
 	 */
-	@Contract("null -> null; !null -> !null")
+	@Contract("null -> null")
 	public static <T> @Nullable T resolve(@Nullable Supplier<T> supplier) {
 		return (supplier != null ? supplier.get() : null);
 	}