chore(ci): post benchmark summary when from fork (#2098)

### Proposed Changes


https://github.com/opentdf/platform/actions/runs/14622447666?pr=2098#summary-41025693259

### Checklist

- [ ] I have added or updated unit tests
- [ ] I have added or updated integration tests (if appropriate)
- [ ] I have added or updated documentation

### Testing Instructions

Author: strantalis

.github/workflows/checks.yaml

@@ -246,7 +246,7 @@ jobs:
           } >> "$GITHUB_ENV"
 
       - name: save benchmark results as a comment
-        if: github.event_name == 'pull_request'
+        if: github.event_name == 'pull_request' && !github.event.pull_request.head.repo.fork
         uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea #v7.0.1
         with:
           script: |
@@ -260,6 +260,17 @@ jobs:
               body,
             });
 
+      - name: save benchmark results as a step summary
+        if: github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork
+        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea #v7.0.1
+        with:
+          script: |
+            const fs = require('fs');
+            const metricsOutput = process.env.BENCHMARK_METRICS_OUTPUT || '## Standard Benchmark Skipped or Failed';
+            const bulkOutput = process.env.BENCHMARK_BULK_OUTPUT || '## Bulk Benchmark Skipped or Failed';
+            const summaryContent = `${metricsOutput}\n\n${bulkOutput}`;
+            fs.appendFileSync(process.env.GITHUB_STEP_SUMMARY, summaryContent + '\n');
+
   image:
     name: image build
     runs-on: ubuntu-22.04