update transformers test dependency to 4.48.3 (#8979)

Author: anakin87

pyproject.toml

@@ -89,7 +89,7 @@ extra-dependencies = [
   "pandas",                                    # AzureOCRDocumentConverter, CSVDocumentCleaner, CSVDocumentSplitter,
                                                # EvaluationRunResult, XLSXToDocument, and pipeline tests
 
-  "transformers[torch,sentencepiece]==4.47.1", # ExtractiveReader, TransformersSimilarityRanker, LocalWhisperTranscriber, HFGenerators...
+  "transformers[torch,sentencepiece]==4.48.3", # ExtractiveReader, TransformersSimilarityRanker, LocalWhisperTranscriber, HFGenerators...
   "huggingface_hub>=0.27.0",                   # Hugging Face API Generators and Embedders
   "sentence-transformers>=3.0.0",              # SentenceTransformersTextEmbedder and SentenceTransformersDocumentEmbedder
   "langdetect",                                # TextLanguageRouter and DocumentLanguageClassifier