Fix config.json: replace non-strict-JSON Infinity with finite cap (silences HF parse warning; training-only fields, no inference impact)

config.json

@@ -62,9 +62,9 @@
     "batch_group_size": 0,
     "loss_masking": null,
     "min_audio_len": 1,
-    "max_audio_len": Infinity,
+    "max_audio_len": 1000000000,
     "min_text_len": 1,
-    "max_text_len": Infinity,
+    "max_text_len": 1000000000,
     "compute_f0": false,
     "compute_energy": false,
     "compute_linear_spec": false,