Bump sigstore/cosign/cosign from v3.0.2 to v3.0.3 in /builds#2002

edmorley merged 1 commit intomainheroku/heroku-buildpack-python:mainfrom

dependabot/docker/builds/sigstore/cosign/cosign-v3.0.3heroku/heroku-buildpack-python:dependabot/docker/builds/sigstore/cosign/cosign-v3.0.3Copy head branch name to clipboard