Bump snakeyaml and jackson-databind to latest versions (#201)

Author: dgrad

dart-lang/pom.xml

@@ -18,7 +18,7 @@
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>2.0</version>
+            <version>2.2</version>
         </dependency>
         <dependency>
             <groupId>com.vdurmont</groupId>
@@ -34,8 +34,8 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.13.4.2</version>
+            <version>2.16.0</version>
         </dependency>
     </dependencies>
 
-</project>
+</project>