Update requirements.txt

Author: wupz1027

memoryos-pypi/requirements.txt

@@ -1,7 +1,7 @@
 # MemoryOS Core Dependencies
 # Core scientific computing and ML libraries
 numpy==1.24.*
-sentence-transformers>=2.7.0,<3.0.0 # Updated for Qwen model support
+sentence-transformers==5.0.0 # Updated for Qwen model support
 transformers>=4.51.0              # Required for newer sentence-transformer features
 FlagEmbedding>=1.2.9                # For BGE-M3 model support