Build(deps): Bump langchain from 0.2.12 to 0.3.0 in /backend in the p…

…ip group across 1 directory (#83)

* Build(deps): Bump langchain

Bumps the pip group with 1 update in the /backend directory: [langchain](https://github.com/langchain-ai/langchain).


Updates `langchain` from 0.2.12 to 0.3.0
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain==0.2.12...langchain==0.3.0)

---
updated-dependencies:
- dependency-name: langchain
  dependency-type: direct:production
  dependency-group: pip
...

Signed-off-by: dependabot[bot] <[email protected]>

* bump versions for langchain

Signed-off-by: Jack Luar <[email protected]>

---------

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

backend/requirements-test.txt

@@ -1,10 +1,10 @@
-langchain==0.2.12
-langchain-community==0.2.11
-langchain-huggingface==0.0.3
-langchain-google-genai==1.0.7
-langchain-google-vertexai==1.0.8
-langchain-ollama==0.1.1
-langgraph==0.1.19
+langchain==0.3.5
+langchain-community==0.3.3
+langchain-huggingface==0.1.1
+langchain-google-genai==2.0.3
+langchain-google-vertexai==2.0.6
+langchain-ollama==0.2.0
+langgraph==0.2.39
 beautifulsoup4==4.12.3
 fastapi==0.111.0
 faiss-cpu==1.8.0

backend/requirements.txt

@@ -1,10 +1,10 @@
-langchain==0.2.12
-langchain-community==0.2.11
-langchain-huggingface==0.0.3
-langchain-google-genai==1.0.7
-langchain-google-vertexai==1.0.8
-langchain-ollama==0.1.1
-langgraph==0.1.19
+langchain==0.3.5
+langchain-community==0.3.3
+langchain-huggingface==0.1.1
+langchain-google-genai==2.0.3
+langchain-google-vertexai==2.0.6
+langchain-ollama==0.2.0
+langgraph==0.2.39
 fastapi==0.111.0
 faiss-cpu==1.8.0
 markdown==3.0.0