fix: remove errant "f" in bridge_agent string

horde_worker_regen/process_management/process_manager.py

@@ -2105,7 +2105,7 @@ async def api_job_pop(self) -> None:
             job_pop_request = ImageGenerateJobPopRequest(
                 apikey=self.bridge_data.api_key,
                 name=self.bridge_data.dreamer_worker_name,
-                bridge_agent=f"AI Horde Worker reGen:f{horde_worker_regen.__version__}:https://github.com/Haidra-Org/horde-worker-reGen",
+                bridge_agent=f"AI Horde Worker reGen:{horde_worker_regen.__version__}:https://github.com/Haidra-Org/horde-worker-reGen",
                 models=self.bridge_data.image_models_to_load,
                 nsfw=self.bridge_data.nsfw,
                 threads=self.max_concurrent_inference_processes,