Add support for new metric

bootstrap/fabric/src/main/java/org/geysermc/platform/fabric/GeyserFabricMod.java

@@ -48,6 +48,7 @@ import org.geysermc.connector.utils.FileUtils;
 import org.geysermc.connector.utils.LanguageUtils;
 import org.geysermc.platform.fabric.command.GeyserFabricCommandExecutor;
 import org.geysermc.platform.fabric.command.GeyserFabricCommandManager;
+import org.jetbrains.annotations.Nullable;
 
 import java.io.File;
 import java.io.FileOutputStream;
@@ -201,6 +202,11 @@ public class GeyserFabricMod implements ModInitializer, GeyserBootstrap {
         return new GeyserFabricDumpInfo(server);
     }
 
+    @Override
+    public String getMinecraftServerVersion() {
+        return this.server.getVersion();
+    }
+
     private File fileOrCopiedFromResource(File file, String name) throws IOException {
         if (!file.exists()) {
             //noinspection ResultOfMethodCallIgnored