chore(deps): update danielpalme/reportgenerator-github-action action to v4.8.8 (#723)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -56,7 +56,7 @@ jobs:
           name: Code coverage macos-latest
           path: coverage-macos
       - name: Generate coverage report
-        uses: danielpalme/ReportGenerator-GitHub-Action@4.8.7
+        uses: danielpalme/ReportGenerator-GitHub-Action@4.8.8
         with:
           reports: "**/coverage.cobertura.xml"
           targetdir: "coverage-report"