Update snakeyaml to version 1.20 (#290)

* Update snakeyaml to version 1.20

* CurrencyTest#testName: fix regex

pom.xml

@@ -52,7 +52,7 @@
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>1.19</version>
+            <version>1.20</version>
             <classifier>android</classifier>
         </dependency>
         <dependency>

src/test/java/com/github/javafaker/CurrencyTest.java

@@ -7,10 +7,9 @@ import org.junit.Test;
 
 public class CurrencyTest extends AbstractFakerTest {
 
-
     @Test
     public void testName() {
-        assertThat(faker.currency().name(), matchesRegularExpression("[\\w\\' ]+"));
+        assertThat(faker.currency().name(), matchesRegularExpression("[\\w\\'\\.\\-\\(\\) ]+"));
     }
 
     @Test