chore(deps): bump langchain-core in the pip group across 1 directory

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


Updates `langchain-core` from 1.3.0 to 1.3.3
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-core==1.3.0...langchain-core==1.3.3)

---
updated-dependencies:
- dependency-name: langchain-core
  dependency-version: 1.3.3
  dependency-type: direct:production
  dependency-group: pip
...

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

Author: dependabot[bot]

pyproject.toml

@@ -22,7 +22,7 @@ dependencies = [
     "beautifulsoup4==4.13.4",
     "jieba==0.42.1",
     "langchain==1.2.15",
-    "langchain-core==1.3.0",
+    "langchain-core==1.3.3",
     "langchain-openai==1.2.0",
     "langchain-anthropic==1.4.1",
     "langchain-community==0.4.1",