chore: update package dependencies and configurations

- Updated `datasets` dependency version in `extralit-server/pyproject.toml` to `>=3.6.0`.
- Added local `extralit` package dependency for OCR jobs in `extralit-server/pyproject.toml`.
- Removed the `llama-index-embeddings-openai` dependency from `extralit/pyproject.toml`.
- Updated `bibtexparser` version to `1.4.4` in `uv.lock` and removed `beautifulsoup4` entry.
- Added `black` package with version `26.3.1` to `uv.lock`.

Author: JonnyTran

extralit-server/pyproject.toml

@@ -61,7 +61,7 @@ dependencies = [
     # For Webhooks
     "standardwebhooks>=1.0.0",
     # For HF dataset import
-    "datasets ~= 3.0.2",
+    "datasets>=3.6.0",
     "pillow>=10.1.0",
     # NumPy 2.x compatibility
     "numpy>=2.0.0,<3.0.0",