Update search and vector documentation for the 1.19 release - #918

Fetching and validating config file...
Successfully validated docs.json
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Fetched all file paths
Fetched 3 OpenApi file(s):
  - devops/developer-api/openapi.yaml
  - qstash/openapi.yaml
  - workflow/openapi.yaml
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Generated OpenAPI pages for navigation
Skipped AsyncAPI navigation generation
No SDK reference pages configured
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Persisted 58 generated API page(s)
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Successfully updated API reference metadata.
Updating all paths...
Successfully updated deployment
Successfully saved config
Updating navigation...
Navigation updated
Queued search indexing