Bump sigstore/gh-action-sigstore-python from 3.2.0 to 3.3.0#557

cary-ilm merged 2 commits intomainAcademySoftwareFoundation/Imath:mainfrom

dependabot/github_actions/sigstore/gh-action-sigstore-python-3.3.0AcademySoftwareFoundation/Imath:dependabot/github_actions/sigstore/gh-action-sigstore-python-3.3.0Copy head branch name to clipboard