Fix class name casing for GemmaTokenizer

fix on linux, i guess it worked on windows since filesystem there is case insensitive

Author: aszenz

src/PreTrainedTokenizers/GemmaTokenizer.php

@@ -4,7 +4,7 @@
 
 namespace Codewithkyrian\Transformers\PreTrainedTokenizers;
 
-class GemmaTokenizer extends PretrainedTokenizer
+class GemmaTokenizer extends PreTrainedTokenizer
 {
     protected string $defaultChatTemplate = "{% if messages[0]['role'] == 'system' %}{{ raise_exception('System role not supported') }}{% endif %}{% for message in messages %}{% if (message['role'] == 'user') != (loop.index0 % 2 == 0) %}{{ raise_exception('Conversation roles must alternate user/assistant/user/assistant/...') }}{% endif %}{% if (message['role'] == 'assistant') %}{% set role = 'model' %}{% else %}{% set role = message['role'] %}{% endif %}{{ '<start_of_turn>' + role + '\n' + message['content'] | trim + '<end_of_turn>\n' }}{% endfor %}{% if add_generation_prompt %}{{'<start_of_turn>model\n'}}{% endif %}";
 }