updated pypdf to 6.1.3 abd starlette to 0.49.1 (#4634)

Author: mgowda-azure

assets/large_language_models/rag/environments/rag_embeddings/context/conda_dependencies.yaml

@@ -4,7 +4,7 @@ channels:
 - anaconda
 dependencies:
 - python=3.9
-- pip=24.0
+- pip=25.3
 - pip:
     # RAG package
   - azureml-rag>=0.2.37.1
@@ -30,7 +30,8 @@ dependencies:
   - pandas>=1 # explicitly install for [data_generation] [document_parsing]
   - pymilvus>=2.3.0 # explicitly install for [milvus]
   - pymongo # explicitly install for [azure_cosmos_mongo_vcore]
-  - pypdf~=6.0.0 # explicitly install for [document_parsing]
+  - pypdf~=6.1.3 # explicitly install for [document_parsing]
+  - starlette>=0.49.1 # security update
   - tika~=2.6.0 # explicitly install for [document_parsing]
   - unstructured # explicitly install for [document_parsing]
     # Other public packages
@@ -40,4 +41,4 @@ dependencies:
   - psutil~=5.8.0
   - pymssql==2.2.7
   - sentence-transformers
-  - sqlalchemy==1.4.46
+  - sqlalchemy==1.4.46