fix: upgrade sigstore from 1.5.2 to 1.9.0

Snyk has created this PR to upgrade sigstore from 1.5.2 to 1.9.0.

See this package in npm:
https://www.npmjs.com/package/sigstore

See this project in Snyk:
https://app.snyk.io/org/sammytezzy/project/da725f1f-ba6a-41d4-90a1-873d6c338d20?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot