Bump langchain-community from 0.3.8 to 0.3.26

---
updated-dependencies:
- dependency-name: langchain-community
  dependency-version: 0.3.26
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -21,7 +21,7 @@ jiter==0.8.2
 jsonpatch==1.33
 jsonpointer==3.0.0
 langchain==0.3.8
-langchain-community==0.3.8
+langchain-community==0.3.26
 langchain-core==0.3.34
 langchain-openai==0.2.9
 langchain-text-splitters==0.3.5