chore(deps)(deps): bump the ai-ml group across 1 directory with 7 updates

Updates the requirements on [openai](https://github.com/openai/openai-python), [langchain](https://github.com/langchain-ai/langchain), [langchain-core](https://github.com/langchain-ai/langchain), [langchain-openai](https://github.com/langchain-ai/langchain), [crewai](https://github.com/crewAIInc/crewAI), [langchain-community](https://github.com/langchain-ai/langchain-community) and [langchain-text-splitters](https://github.com/langchain-ai/langchain) to permit the latest version.

Updates `openai` to 2.36.0
- [Release notes](https://github.com/openai/openai-python/releases)
- [Changelog](https://github.com/openai/openai-python/blob/main/CHANGELOG.md)
- [Commits](openai/openai-python@v1.101.0...v2.36.0)

Updates `langchain` to 1.2.18
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain==0.3.0...langchain==1.2.18)

Updates `langchain-core` to 1.4.0
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-core==1.3.3...langchain-core==1.4.0)

Updates `langchain-openai` to 1.2.1
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-openai==0.3.0...langchain-openai==1.2.1)

Updates `crewai` to 1.14.4
- [Release notes](https://github.com/crewAIInc/crewAI/releases)
- [Commits](crewAIInc/crewAI@0.100.0...1.14.4)

Updates `langchain-community` to 0.4.1
- [Release notes](https://github.com/langchain-ai/langchain-community/releases)
- [Commits](langchain-ai/langchain-community@libs/community/v0.3.23...libs/community/v0.4.1)

Updates `langchain-text-splitters` to 1.1.2
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-text-splitters==0.3.0...langchain-text-splitters==1.1.2)

---
updated-dependencies:
- dependency-name: crewai
  dependency-version: 1.14.4
  dependency-type: direct:production
  dependency-group: ai-ml
- dependency-name: langchain
  dependency-version: 1.2.17
  dependency-type: direct:production
  dependency-group: ai-ml
- dependency-name: langchain-community
  dependency-version: 0.4.1
  dependency-type: direct:development
  dependency-group: ai-ml
- dependency-name: langchain-core
  dependency-version: 1.3.2
  dependency-type: direct:production
  dependency-group: ai-ml
- dependency-name: langchain-openai
  dependency-version: 1.2.1
  dependency-type: direct:production
  dependency-group: ai-ml
- dependency-name: langchain-text-splitters
  dependency-version: 1.1.2
  dependency-type: direct:development
  dependency-group: ai-ml
- dependency-name: openai
  dependency-version: 2.34.0
  dependency-type: direct:production
  dependency-group: ai-ml
...

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

Author: dependabot[bot]

backend/pyproject.toml

@@ -8,15 +8,15 @@ authors = [
 dependencies = [
     "fastapi>=0.116.1",
     "uvicorn>=0.35.0",
-    "openai>=1.101.0",
+    "openai>=2.36.0",
     "pydantic>=2.5.0",
     "pydantic-settings>=2.7.0",
     "sqlalchemy>=2.0.18",
     "alembic>=1.11.1",
     "aiosqlite>=0.20.0",
-    "langchain>=0.3.0",
-    "langchain-core>=1.3.3",
-    "langchain-openai>=0.3.0",
+    "langchain>=1.2.18",
+    "langchain-core>=1.4.0",
+    "langchain-openai>=1.2.1",
     "keyboard>=0.13.5; sys_platform == 'win32'",
     "pyaudiowpatch>=0.2.12.7; sys_platform == 'win32'",
     "websockets>=15.0.1",
@@ -28,7 +28,7 @@ dependencies = [
     "strawberry-graphql[fastapi]>=0.262",
     "httpx>=0.27",
     "slowapi>=0.1.9",
-    "crewai>=0.100",
+    "crewai>=1.14.4",
     "mako>=1.3.12",
 ]
 
@@ -78,8 +78,8 @@ db = [
     "aiosqlite>=0.20.0",
 ]
 rag = [
-    "langchain-community>=0.3.0",
-    "langchain-text-splitters>=0.3.0",
+    "langchain-community>=0.4.1",
+    "langchain-text-splitters>=1.1.2",
     "chromadb>=0.3.25",
 ]