chore(trainer): sort imports to satisfy ruff isort (I001)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: eexwhyzee

src/prime_rl/trainer/runs.py

@@ -236,9 +236,10 @@ def get_orchestrator_config(self, run_id: str) -> Optional["OrchestratorConfig"]
             with open(config_path, "rb") as f:
                 config_dict = tomli.load(f)
 
-            from prime_rl.configs.orchestrator import OrchestratorConfig
             from verifiers.v1.loaders import skip_plugin_install
 
+            from prime_rl.configs.orchestrator import OrchestratorConfig
+
             # The trainer only reads training-relevant fields (model, lora, seq_len, buffers,
             # env names) and never runs the env, so skip resolving/installing taskset/harness
             # plugins from the Environments Hub while parsing. Otherwise a private v1 hub env