Add compliance report

[blink1073]

Fixes #10. Testing with winkerberos.

Passing run: https://github.com/blink1073/winkerberos/actions/runs/9410343232

Report output:

Release Creator
Steven Silvester

Tool used to track third party vulnerabilities
Silk

Third-Party Dependency Information
See cyclonedx.sbom.json

Static Analysis Findings
See code-scanning-alerts.json

Signature Information
See authorized-publication.txt

Known Vulnerabilities
Any vulnerabilities that may be shown in the files referenced above have been reviewed and accepted by the appropriate approvers.

[alcaeus]

Tested in PHP, works as expected.