Update coverage threshold 95->99

Author: YuriiMotov

.github/workflows/smokeshow.yml

@@ -45,7 +45,7 @@ jobs:
           done
         env:
           SMOKESHOW_GITHUB_STATUS_DESCRIPTION: Coverage {coverage-percentage}
-          SMOKESHOW_GITHUB_COVERAGE_THRESHOLD: 95
+          SMOKESHOW_GITHUB_COVERAGE_THRESHOLD: 99
           SMOKESHOW_GITHUB_CONTEXT: coverage
           SMOKESHOW_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           SMOKESHOW_GITHUB_PR_HEAD_SHA: ${{ github.event.workflow_run.head_sha }}