chore(deps): bump langchain-unstructured from 0.1.6 to 1.0.0

Bumps [langchain-unstructured](https://github.com/langchain-ai/langchain-unstructured) from 0.1.6 to 1.0.0.
- [Release notes](https://github.com/langchain-ai/langchain-unstructured/releases)
- [Commits](langchain-ai/langchain-unstructured@libs/unstructured/v0.1.6...libs/unstructured/v1.0.0)

---
updated-dependencies:
- dependency-name: langchain-unstructured
  dependency-version: 1.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements.txt

@@ -11,7 +11,7 @@ httpx>=0.28.1
 langchain==0.3.27
 langchain-community==0.3.21
 langchain-postgres==0.0.16
-langchain-unstructured==0.1.6
+langchain-unstructured==1.0.0
 llama_cpp_python>=0.3.16
 msg-parser>=1.2.0
 # fix it to the version before niquests