Apply TSNE n_iter -> max_iter renaming

Author: Alexsandruss

configs/regular/tsne.json

@@ -19,7 +19,7 @@
                     "perplexity": 30.0,
                     "early_exaggeration": 12.0,
                     "learning_rate": 200.0,
-                    "n_iter": 1000,
+                    "max_iter": 1000,
                     "n_iter_without_progress": 300,
                     "min_grad_norm": 1e-7,
                     "metric": "euclidean",

configs/testing/azure-pipelines-ci.json

@@ -74,7 +74,7 @@
             {
                 "algorithm": {
                     "estimator": "TSNE",
-                    "estimator_params": { "n_iter": 250 }
+                    "estimator_params": { "max_iter": 250 }
                 }
             },
             {