bump tokenizers

Author: xfalcox

plugin.rb

@@ -10,7 +10,7 @@
 
 gem "tokenizers", "0.5.4"
 gem "tiktoken_ruby", "0.0.11.1"
-gem "discourse_ai-tokenizers", "0.3.0", require_name: "discourse_ai/tokenizers"
+gem "discourse_ai-tokenizers", "0.3.1", require_name: "discourse_ai/tokenizers"
 gem "ed25519", "1.2.4" #TODO remove this as existing ssl gem should handle this
 
 # we probably want to move all dependencies directly in to the Discourse Gemfile, this