feat(core): Release v0.3.73 with Browser Takeover and Docker Support

Major changes:
- Add browser takeover feature using CDP for authentic browsing
- Implement Docker support with full API server documentation
- Enhance Mockdown with tag preservation system
- Improve parallel crawling performance

This release focuses on authenticity and scalability, introducing the ability
to use users' own browsers while providing containerized deployment options.
Breaking changes include modified browser handling and API response structure.

See CHANGELOG.md for detailed migration guide.

setup.py

@@ -31,9 +31,11 @@ with open("crawl4ai/_version.py") as f:
 
 # Define the requirements for different environments
 default_requirements = requirements
-torch_requirements = ["torch", "nltk", "spacy", "scikit-learn"]
-transformer_requirements = ["transformers", "tokenizers", "onnxruntime"]
-cosine_similarity_requirements = ["torch", "transformers", "nltk", "spacy"]
+# torch_requirements = ["torch", "nltk", "spacy", "scikit-learn"]
+# transformer_requirements = ["transformers", "tokenizers", "onnxruntime"]
+torch_requirements = ["torch", "nltk",  "scikit-learn"]
+transformer_requirements = ["transformers", "tokenizers"]
+cosine_similarity_requirements = ["torch", "transformers", "nltk" ]
 sync_requirements = ["selenium"]
 
 def install_playwright():