add restore-keys to docs for partial matching of results

Author: pbalcer

.github/workflows/docs.yml

@@ -56,6 +56,7 @@ jobs:
         with:
           path: ${{ github.workspace }}/ur-repo/benchmark_results.html
           key: benchmark-results-
+          restore-keys: benchmark-results-
 
       - name: Move benchmark HTML
         # exact or partial cache hit