v1.2.0

Changelog

• 5cbc7cc: feat: add end-to-end testing scripts and documentation for guardrail hooks (@gnana997)

Verify this release

cosign verify-blob \
  --certificate checksums.txt.pem \
  --signature checksums.txt.sig \
  --certificate-identity-regexp 'https://github.com/gnana997/bumper/.*' \
  --certificate-oidc-issuer 'https://token.actions.githubusercontent.com' \
  checksums.txt
sha256sum -c checksums.txt --ignore-missing