Added support for allowPublicKeyRetrieval=true in the JDBC launch (#4635)

options for MySQL

Co-authored-by: BuildTools <unconfigured@null.spigotmc.org>

src/main/java/com/gmail/nossr50/database/SQLDatabaseManager.java

@@ -61,6 +61,11 @@ public final class SQLDatabaseManager implements DatabaseManager {
             connectionString+=
                     "?useSSL=false";
 
+        if(mcMMO.p.getGeneralConfig().getMySQLPublicKeyRetrieval()) {
+            connectionString+=
+                    "&allowPublicKeyRetrieval=true";
+        }
+
         try {
             // Force driver to load if not yet loaded
             Class.forName(driverPath);