Bump langchain-core in /community/knowledge_graph_rag

Bumps [langchain-core](https://github.com/langchain-ai/langchain) from 0.2.10 to 1.3.3.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-core==0.2.10...langchain-core==1.3.3)

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

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

Author: dependabot[bot]

community/knowledge_graph_rag/requirements.txt

@@ -1,7 +1,7 @@
 arxiv==2.1.0
 langchain==0.2.6
 langchain_community==0.2.6
-langchain_core==0.2.10
+langchain_core==1.3.3
 langchain_nvidia_ai_endpoints==0.1.2
 llama_index==0.10.50
 networkx==3.2.1