v0.3.0

Changelog

• b7d29d7: ⬆️ Bump actions/cache from 2.1.7 to 3 (@dependabot[bot])
• 69d2e7f: Add documentation for the installer action (@marcofranssen)
• 6f2a987: Add installer-action (@marcofranssen)
• a8302cf: Add tag prefix that allows you to store attestations in a single registry (@Brend-Smits)
• b110f9c: Add tests for Publish and BuildOciRef methods (@Brend-Smits)
• 02967a9: Bump Go from 1.17 to 1.18 (@marcofranssen)
• e86ddb1: Bump fatt default version installer-action (@marcofranssen)
• 1d093e0: Finish up publish to work without signed blobs (@marcofranssen)
• d9f05ae: Fix filters #21 (@marcofranssen)
• 453afe4: Fix windows install and Linux permissions (@Brend-Smits)
• 87095d4: Implement attestation publishing (@marcofranssen)
• 9e30ff0: Implement blob upload for attestation (@marcofranssen)
• a72e488: Implement logic to create Package URLs (@marcofranssen)
• 8d662f5: Implement ociRef to publish towards by hardcoded convention (@marcofranssen)
• 1368dfe: Implement publishing discovery file (@marcofranssen)
• 4c81aec: Improve README.md a bit further. (@marcofranssen)
• 5873566: Improve documentation in README.md (@marcofranssen)
• 672619e: Improve error messages (@marcofranssen)
• 37b1c09: Improve readability of README (@Brend-Smits)
• 26f1d0f: Pin cache action on patch release version (@marcofranssen)
• 4e654e2: Refactor purl parsing + add more tests (@marcofranssen)
• a89dfe6: Remove whiteline (@marcofranssen)
• f932aaa: Tidy go modules (@marcofranssen)

Full Changelog: v0.1.0...v0.3.0