chore(deps): bump pinecone from 7.3.0 to 8.0.0

Bumps [pinecone](https://github.com/pinecone-io/pinecone-python-client) from 7.3.0 to 8.0.0.
- [Release notes](https://github.com/pinecone-io/pinecone-python-client/releases)
- [Changelog](https://github.com/pinecone-io/pinecone-python-client/blob/main/CHANGELOG.md)
- [Commits](pinecone-io/python-sdk@v7.3.0...v8.0.0)

---
updated-dependencies:
- dependency-name: pinecone
  dependency-version: 8.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements/base.txt

@@ -11,7 +11,7 @@ langchain-text-splitters==0.3.9
 langchainhub==0.1.21
 langsmith==0.4.39
 openai==2.6.1
-pinecone==7.3.0
+pinecone==8.0.0
 pinecone-text
 pydantic
 pydantic-settings