build(deps): bump google-cloud-storage from 1.30.0 to 1.31.0 in /backend#596

marco-c merged 1 commit intomastermozilla/code-coverage:masterfrom

dependabot/pip/backend/google-cloud-storage-1.31.0mozilla/code-coverage:dependabot/pip/backend/google-cloud-storage-1.31.0Copy head branch name to clipboard