Bump langchain-text-splitters

Bumps [langchain-text-splitters](https://github.com/langchain-ai/langchain) from 0.3.7 to 1.0.0a1.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-text-splitters==0.3.7...langchain-text-splitters==1.0.0a1)

---
updated-dependencies:
- dependency-name: langchain-text-splitters
  dependency-version: 1.0.0a1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

ai/generative-ai-service/hr-goal-alignment/files/requirements.txt

@@ -42,7 +42,7 @@ jsonschema-specifications==2024.10.1
 langchain==0.3.21
 langchain-community==0.3.20
 langchain-core==0.3.49
-langchain-text-splitters==0.3.7
+langchain-text-splitters==0.3.9
 langdetect==1.0.9
 langsmith==0.3.19
 lxml==5.3.2