chore(deps): bump langchain-pinecone from 0.2.11 to 0.2.12

Bumps [langchain-pinecone](https://github.com/langchain-ai/langchain) from 0.2.11 to 0.2.12.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain==0.2.11...langchain==0.2.12)

---
updated-dependencies:
- dependency-name: langchain-pinecone
  dependency-version: 0.2.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements/base.txt

@@ -5,7 +5,7 @@ langchain-community==0.3.27
 langchain-core==0.3.72
 langchain-experimental==0.3.4
 langchain-openai==0.3.28
-langchain-pinecone==0.2.11
+langchain-pinecone==0.2.12
 langchain-tests==0.3.20
 langchain-text-splitters==0.3.9
 langchainhub==0.1.21