ci: Display loadtest results in step summary

Much easier to implement and should be easier to find, too.

.github/workflows/report.yaml

@@ -1,39 +0,0 @@
-name: Upload Reports
-
-on:
-  workflow_run:
-    workflows:
-      - CI
-      - Test
-    branches-ignore:
-      - devel
-      - v[0-9]+
-      - v[0-9]+.[0-9]+.[0-9]+
-    types:
-      - completed
-
-jobs:
-  loadtest:
-    name: Loadtest
-    permissions:
-      checks: write
-    runs-on: ubuntu-24.04
-    if: github.event.workflow_run.conclusion == 'success' || github.event.workflow_run.conclusion == 'failure'
-    steps:
-      - name: Download from Artifacts
-        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
-        with:
-          github-token: ${{ github.token }}
-          run-id: ${{ github.event.workflow_run.id }}
-          name: loadtest.md
-          path: artifacts
-      - name: Upload to GitHub Checks
-        uses: LouisBrunner/checks-action@6b626ffbad7cc56fd58627f774b9067e6118af23 # v2.0.0
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          sha: ${{ github.event.workflow_run.head_sha }}
-          name: Loadtest Results
-          conclusion: neutral
-          output: |
-            {"summary":""}
-          output_text_description_file: artifacts/loadtest.md

.github/workflows/test.yaml

@@ -129,10 +129,4 @@ jobs:
       - name: Run loadtest
         run: |
           postgrest-loadtest-against main ${{ steps.get-latest-tag.outputs.tag }}
-          postgrest-loadtest-report > loadtest/loadtest.md
-      - name: Upload report
-        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4.6.0
-        with:
-          name: loadtest.md
-          path: loadtest/loadtest.md
-          if-no-files-found: error
+          postgrest-loadtest-report >> "$GITHUB_STEP_SUMMARY"