MySQL file reader now assumes UTF8 (#15709)

airbyte-integrations/bases/base-java/src/main/java/io/airbyte/integrations/util/MySqlSslConnectionUtils.java

@@ -79,7 +79,7 @@ public class MySqlSslConnectionUtils {
 
   private static String readFile(final File file) {
     try {
-      BufferedReader reader = new BufferedReader(new FileReader(file));
+      BufferedReader reader = new BufferedReader(new FileReader(file, StandardCharsets.UTF_8));
       String currentLine = reader.readLine();
       reader.close();
       return currentLine;