Update platform dependencies

bukkit/pom.xml

@@ -124,6 +124,14 @@
             <url>https://papermc.io/repo/repository/maven-public/</url>
         </repository>
 
+        <repository>
+            <id>sonatype-snapshots</id>
+            <url>https://s01.oss.sonatype.org/content/repositories/snapshots/</url>
+            <releases>
+                <enabled>false</enabled>
+            </releases>
+        </repository>
+
         <!-- ProtocolLib -->
         <repository>
             <id>dmulloy2-repo</id>
@@ -173,7 +181,7 @@
         <dependency>
             <groupId>io.papermc.paper</groupId>
             <artifactId>paper-api</artifactId>
-            <version>1.19-R0.1-SNAPSHOT</version>
+            <version>1.20.6-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
             <!-- Use our own newer api version -->
             <exclusions>