Pinecone as Vector Database Provider

[epps]

Description

This PR introduces support for Pinecone as a vector database provider.

Remaining items before moving this PR out of Draft:

• Pinecone API client tests
• Documentation

Type of change

Select type(s) of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update

Checklist:

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have fixed any merge conflicts

[codecov]

Codecov Report

Merging #854 (3a4ce1d) into main (dadd2e0) will decrease coverage by 1.40%.
The diff coverage is 3.33%.

@@            Coverage Diff             @@
##             main     #854      +/-   ##
==========================================
- Coverage   51.20%   49.80%   -1.40%     
==========================================
  Files          67       69       +2     
  Lines       13578    13881     +303     
==========================================
- Hits         6953     6914      -39     
- Misses       5972     6292     +320     
- Partials      653      675      +22     

Impacted Files	Coverage Δ
provider/k8s.go	8.24% <0.00%> (+6.17%)	⬆️
provider/online.go	80.85% <ø> (-14.90%)	⬇️
provider/pinecone.go	0.00% <0.00%> (ø)
provider/provider_type/provider_type.go	100.00% <ø> (ø)
provider/redis.go	31.80% <0.00%> (-45.85%)	⬇️
provider/provider_config/pinecone_config.go	47.61% <47.61%> (ø)
provider/provider.go	87.80% <100.00%> (-7.20%)	⬇️

... and 11 files with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more