v0.3.0

Changelog

• 76a950e docs(readme): a "Point pgbot at your database" section
• f73277f feat(D1): npm distribution — npx pgbot with no prior install
• 4aee619 feat(D3-0): classify every finding by Scope + split int4_identity_column
• 34c2360 feat(D3-1): --profile=schema + pgbot lint
• 5e0db08 feat(D3-2): --fail-on-new — act only on findings a change introduced
• c2e8fd6 feat(D3-3): wire the schema profile into the Action + document the two-job pattern
• 51f4506 fix(action): default version 'latest' 404'd on the install path
• 0d02610 fix(action): only pass --profile/--fail-on-new when used (older-binary compat)
• 3e48934 release: cosign --bundle + README usage pass, prep 0.3.0