[Change] ImageCacheHandler 将缓存键名从downloadLink更改为fileName;

[Change] PixivUgoiraBuilderTest 暂时设置单元测试忽略以关闭耗时的测试, 加快构建速度;

src/test/java/net/lamgc/cgj/pixiv/PixivUgoiraBuilderTest.java

@@ -4,6 +4,7 @@ import org.apache.http.HttpHost;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.client.HttpClientBuilder;
 import org.bouncycastle.util.io.Streams;
+import org.junit.Ignore;
 import org.junit.Test;
 
 import java.io.File;
@@ -11,6 +12,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.nio.file.Files;
 
+@Ignore
 public class PixivUgoiraBuilderTest {
 
     @Test