Bump langchain from 0.0.231 to 0.0.235

Bumps [langchain](https://github.com/hwchase17/langchain) from 0.0.231 to 0.0.235.
- [Release notes](https://github.com/hwchase17/langchain/releases)
- [Commits](langchain-ai/langchain@v0.0.231...v0.0.235)

---
updated-dependencies:
- dependency-name: langchain
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements/requirements.txt

@@ -15,37 +15,39 @@ async-timeout==4.0.2
 attrs==23.1.0
     # via aiohttp
 beautifulsoup4==4.12.2
-    # via -r requirements.in
+    # via -r requirements/requirements.in
 certifi==2023.5.7
     # via requests
 charset-normalizer==3.1.0
     # via
     #   aiohttp
     #   requests
 click==8.1.4
-    # via -r requirements.in
+    # via -r requirements/requirements.in
 dataclasses-json==0.5.8
     # via langchain
 faiss-cpu==1.7.4
-    # via -r requirements.in
+    # via -r requirements/requirements.in
 frozenlist==1.3.3
     # via
     #   aiohttp
     #   aiosignal
 gitdb==4.0.10
     # via gitpython
 gitpython==3.1.32
-    # via -r requirements.in
+    # via -r requirements/requirements.in
+greenlet==2.0.2
+    # via sqlalchemy
 idna==3.4
     # via
     #   requests
     #   yarl
-langchain==0.0.231
-    # via -r requirements.in
-langchainplus-sdk==0.0.20
+langchain==0.0.235
+    # via -r requirements/requirements.in
+langsmith==0.0.7
     # via langchain
 loguru==0.7.0
-    # via -r requirements.in
+    # via -r requirements/requirements.in
 markdown-it-py==3.0.0
     # via rich
 marshmallow==3.19.0
@@ -69,46 +71,44 @@ numpy==1.25.0
     #   langchain
     #   numexpr
 openai==0.27.8
-    # via -r requirements.in
+    # via -r requirements/requirements.in
 openapi-schema-pydantic==1.2.4
     # via langchain
 packaging==23.1
     # via marshmallow
 prompt-toolkit==3.0.39
-    # via -r requirements.in
+    # via -r requirements/requirements.in
 pydantic==1.10.9
     # via
     #   langchain
-    #   langchainplus-sdk
+    #   langsmith
     #   openapi-schema-pydantic
 pygments==2.15.1
     # via rich
 pyyaml==6.0
     # via
-    #   -r requirements.in
+    #   -r requirements/requirements.in
     #   langchain
 regex==2023.6.3
     # via tiktoken
 requests==2.31.0
     # via
     #   langchain
-    #   langchainplus-sdk
+    #   langsmith
     #   openai
     #   tiktoken
 rich==13.4.2
-    # via -r requirements.in
+    # via -r requirements/requirements.in
 smmap==5.0.0
     # via gitdb
 soupsieve==2.4.1
     # via beautifulsoup4
 sqlalchemy==2.0.16
     # via langchain
 tenacity==8.2.2
-    # via
-    #   langchain
-    #   langchainplus-sdk
+    # via langchain
 tiktoken==0.4.0
-    # via -r requirements.in
+    # via -r requirements/requirements.in
 tqdm==4.65.0
     # via openai
 typing-extensions==4.6.3