Bump the pip group across 2 directories with 4 updates (#8)

Bumps the pip group with 1 update in the /deeplearning.ai_courses/multimodal_rag_weaviate directory: [python-dotenv](https://github.com/theskumar/python-dotenv).
Bumps the pip group with 4 updates in the /deeplearning.ai_courses/preprocessing_unstructured_data directory: [python-dotenv](https://github.com/theskumar/python-dotenv), [langchain-core](https://github.com/langchain-ai/langchain), [langchain-openai](https://github.com/langchain-ai/langchain) and [pypdf](https://github.com/py-pdf/pypdf).


Updates `python-dotenv` from 1.0.0 to 1.2.2
- [Release notes](https://github.com/theskumar/python-dotenv/releases)
- [Changelog](https://github.com/theskumar/python-dotenv/blob/main/CHANGELOG.md)
- [Commits](theskumar/python-dotenv@v1.0.0...v1.2.2)

Updates `python-dotenv` from 1.0.1 to 1.2.2
- [Release notes](https://github.com/theskumar/python-dotenv/releases)
- [Changelog](https://github.com/theskumar/python-dotenv/blob/main/CHANGELOG.md)
- [Commits](theskumar/python-dotenv@v1.0.0...v1.2.2)

Updates `langchain-core` from 1.2.11 to 1.2.28
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-core==1.2.11...langchain-core==1.2.28)

Updates `langchain-openai` from 0.0.5 to 1.1.14
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@v0.0.5...langchain-openai==1.1.14)

Updates `pypdf` from 6.9.1 to 6.10.2
- [Release notes](https://github.com/py-pdf/pypdf/releases)
- [Changelog](https://github.com/py-pdf/pypdf/blob/main/CHANGELOG.md)
- [Commits](py-pdf/pypdf@6.9.1...6.10.2)

---
updated-dependencies:
- dependency-name: python-dotenv
  dependency-version: 1.2.2
  dependency-type: direct:production
  dependency-group: pip
- dependency-name: python-dotenv
  dependency-version: 1.2.2
  dependency-type: direct:production
  dependency-group: pip
- dependency-name: langchain-core
  dependency-version: 1.2.28
  dependency-type: direct:production
  dependency-group: pip
- dependency-name: langchain-openai
  dependency-version: 1.1.14
  dependency-type: direct:production
  dependency-group: pip
- dependency-name: pypdf
  dependency-version: 6.10.2
  dependency-type: direct:production
  dependency-group: pip
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

deeplearning.ai_courses/multimodal_rag_weaviate/requirements.txt

@@ -23,7 +23,7 @@ scikit-image ## needed for umap-learn
 colorcet ## needed for umap-learn
 datashader ## needed for umap-learn
 opencv-python
-python-dotenv==1.0.0
+python-dotenv==1.2.2
 google-generativeai
-python-dotenv==1.0.0
+python-dotenv==1.2.2
 dask-expr

deeplearning.ai_courses/preprocessing_unstructured_data/requirements.txt

@@ -1,8 +1,8 @@
 chromadb==0.4.22
 langchain==0.3.0.dev1
 langchain-community==0.3.27
-langchain-core==1.2.11
-langchain-openai==0.0.5
+langchain-core==1.2.28
+langchain-openai==1.1.14
 openai==1.11.1
 tiktoken==0.5.2
 #"unstructured[md,pdf,pptx]"
@@ -11,7 +11,7 @@ unstructured==0.18.18
 unstructured-inference==0.7.23
 unstructured.pytesseract==0.3.12
 urllib3==2.6.3
-python-dotenv==1.0.1
+python-dotenv==1.2.2
 panel==1.3.8
 ipython==8.18.1
 python-pptx==0.6.23
@@ -20,4 +20,4 @@ pdfminer==20191125
 opencv-python==4.9.0.80
 
 pikepdf==8.13.0
-pypdf==6.9.1
+pypdf==6.10.2