Fix f-strings without any placeholders

https://docs.astral.sh/ruff/rules/f-string-missing-placeholders/

Author: owtaylor

beeai/agents/backport_agent.py

@@ -240,7 +240,7 @@ class Task(BaseModel):
                     continue
 
                 _, payload = element
-                logger.info(f"Received task from queue.")
+                logger.info("Received task from queue.")
 
                 task = Task.model_validate_json(payload)
                 backport_data = BackportData.model_validate(task.metadata)

beeai/agents/rebase_agent.py

@@ -243,7 +243,7 @@ class Task(BaseModel):
                     continue
 
                 _, payload = element
-                logger.info(f"Received task from queue.")
+                logger.info("Received task from queue.")
 
                 task = Task.model_validate_json(payload)
                 rebase_data = RebaseData.model_validate(task.metadata)

beeai/agents/triage_agent.py

@@ -309,7 +309,7 @@ class Task(BaseModel):
                     continue
 
                 _, payload = element
-                logger.info(f"Received task from queue")
+                logger.info("Received task from queue")
 
                 task = Task.model_validate_json(payload)
                 input = InputSchema.model_validate(task.metadata)