Version 0.13.0

What's Changed

• chore: allow all Katsu GET projects/datasets endpoints
• chore: rm authz exemption for now-removed katsu endpoint
  
• chore: allow metadata/gohan data types requests through
  
• chore: add more public URLs for Katsu
• chore: update openresty base image + use debian base for size
• fix: allow OPTIONS requests through for authz-excepted URLs
  
• fix: clear authz related headers for Katsu public endpoints

Full Changelog: v0.12.0...v0.13.0