chore(deps): bump actions/download-artifact from 7 to 8 (#2921)

Author: dependabot[bot]

.github/workflows/validate.yml

@@ -27,7 +27,7 @@ jobs:
     steps:
     - uses: actions/checkout@v6
     - name: Download code coverage results
-      uses: actions/download-artifact@v7
+      uses: actions/download-artifact@v8
       with:
         pattern: code-coverage-report
         path: coverage