🔧 Update Smokeshow coverage threshold (#487)

Author: tiangolo

.github/workflows/smokeshow.yml

@@ -28,7 +28,7 @@ jobs:
       - run: smokeshow upload coverage-html
         env:
           SMOKESHOW_GITHUB_STATUS_DESCRIPTION: Coverage {coverage-percentage}
-          SMOKESHOW_GITHUB_COVERAGE_THRESHOLD: 100
+          SMOKESHOW_GITHUB_COVERAGE_THRESHOLD: 95
           SMOKESHOW_GITHUB_CONTEXT: coverage
           SMOKESHOW_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           SMOKESHOW_GITHUB_PR_HEAD_SHA: ${{ github.event.workflow_run.head_sha }}