Fix naming: customSmallerIsBetter

.github/workflows/executeBenchmarks.yaml

@@ -42,7 +42,7 @@ jobs:
       - name: Store benchmark result
         uses: benchmark-action/github-action-benchmark@v1
         with:
-          tool: 'smallerIsBetter'
+          tool: 'customSmallerIsBetter'
           output-file-path: output.json
           external-data-json-path: ./cache/benchmark-data.json
           fail-on-alert: true