Python: Make pinecone secrets accessible to integration tests

[awharrison-28]

Motivation and Context

Makes the following secrets accessible to the python integration tests:

• PINECONE__APIKEY
• PINECONE__ENVIRONMENT

Description

Adds the following lines to the python-integration-tests.yaml workflow file.

          Pinecone__ApiKey: ${{ secrets.PINECONE__APIKEY }}
          Pinecone__Environment: ${{ secrets.PINECONE__ENVIRONMENT }}

Contribution Checklist

• The code builds clean without any errors or warnings
• The PR follows SK Contribution Guidelines (https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
• The code follows the .NET coding conventions (https://learn.microsoft.com/dotnet/csharp/fundamentals/coding-style/coding-conventions) verified with dotnet format
• All unit tests pass, and I have added new tests where possible
• I didn't break anyone 😄