Bump langchain from 0.0.238 to 0.0.242

Bumps [langchain](https://github.com/hwchase17/langchain) from 0.0.238 to 0.0.242.
- [Release notes](https://github.com/hwchase17/langchain/releases)
- [Commits](langchain-ai/langchain@v0.0.238...v0.0.242)

---
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

@@ -11,45 +11,47 @@ aiohttp==3.8.4
 aiosignal==1.3.1
     # via aiohttp
 arrow==1.2.3
-    # via -r requirements.in
+    # via -r requirements/requirements.in
 async-timeout==4.0.2
     # via aiohttp
 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==8.1.6
-    # 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
 humanize==4.7.0
-    # via -r requirements.in
+    # via -r requirements/requirements.in
 idna==3.4
     # via
     #   requests
     #   yarl
-langchain==0.0.238
-    # via -r requirements.in
+langchain==0.0.242
+    # via -r requirements/requirements.in
 langsmith==0.0.11
     # 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
@@ -73,13 +75,13 @@ 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
@@ -91,7 +93,7 @@ python-dateutil==2.8.2
     # via arrow
 pyyaml==6.0.1
     # via
-    #   -r requirements.in
+    #   -r requirements/requirements.in
     #   langchain
 regex==2023.6.3
     # via tiktoken
@@ -102,7 +104,7 @@ requests==2.31.0
     #   openai
     #   tiktoken
 rich==13.4.2
-    # via -r requirements.in
+    # via -r requirements/requirements.in
 six==1.16.0
     # via python-dateutil
 smmap==5.0.0
@@ -114,7 +116,7 @@ sqlalchemy==2.0.16
 tenacity==8.2.2
     # 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