Enable deprecation warnings and fix deprecated URL constructor

Author: laurentpellegrino

build.gradle

@@ -28,6 +28,10 @@ java {
     }
 }
 
+tasks.withType(JavaCompile).configureEach {
+    options.compilerArgs << '-Xlint:deprecation'
+}
+
 jar {
     manifest {
         attributes(

src/main/java/co/ipregistry/datasets/IpregistryDataset.java

@@ -4,7 +4,7 @@
 import lombok.Getter;
 
 import java.io.*;
-import java.net.URL;
+import java.net.URI;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
@@ -158,9 +158,9 @@ public CompletableFuture<Void> update(
             final Path outputPath = outputDirectory2.resolve(remoteDatasetFileName + "_" + UUID.randomUUID());
 
             try (
-                    BufferedInputStream in = new BufferedInputStream(new URL(
+                    BufferedInputStream in = new BufferedInputStream(URI.create(
                             "https://download.ipregistry.co/" + remoteDatasetFileName + ".mmdb?key=" + secretKey
-                    ).openStream());
+                    ).toURL().openStream());
                     FileOutputStream out = new FileOutputStream(outputPath.toFile())) {
 
                 byte[] dataBuffer = new byte[1024];