Upgrade to SnakeYAML 1.30 release

protocol/pom.xml

@@ -18,6 +18,21 @@
     <name>BungeeCord-Protocol</name>
     <description>Minimal implementation of the Minecraft protocol for use in BungeeCord</description>
 
+    <!-- We really shouldn't depend on external repositories, but at least this is the Central staging one -->
+    <repositories>
+        <repository>
+            <id>sonatype-nexus-snapshots</id>
+            <name>Sonatype Nexus Snapshots</name>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+            <releases>
+                <enabled>false</enabled>
+            </releases>
+            <snapshots>
+                <enabled>true</enabled>
+            </snapshots>
+        </repository>
+    </repositories>
+
     <dependencies>
         <dependency>
             <groupId>net.md-5</groupId>