Release v0.19.0

What's Changed

• docs: update policy names, descriptions, doc output, and fix IDs by @markmichon in #251
• fix: update policy link by @elsapet in #255
• fix: Disable policy report entirely unless Ruby language detected by @spdawson in #262
• fix(policies): Update severity for CR-021 by @elsapet in #261
• feat: run integration tests with binary by @vjerci in #250
• feat(scan): cache and reuse the latest report to produce the dataflow… by @cfabianski in #243
• feat: Add external service count to policies report placeholder output by @spdawson in #259
• fix: fix bad flag examples by @elsapet in #263
• fix(policies): Expand encryption detectors by @elsapet in #264

Full Changelog: v0.18.0...v0.19.0