fix: attribute E2E coverage to tested commit

Author: benjcooley

.github/workflows/ci-tests-e2e-coverage.yaml

@@ -28,6 +28,7 @@ jobs:
       - name: Checkout sources for genhtml
         uses: actions/checkout@v7
         with:
+          ref: ${{ github.event.workflow_run.head_sha }}
           sparse-checkout: |
             src
             packages
@@ -122,6 +123,9 @@ jobs:
         with:
           files: coverage/playwright/coverage.lcov
           flags: e2e
+          override_branch: ${{ github.event.workflow_run.head_branch }}
+          override_commit: ${{ github.event.workflow_run.head_sha }}
+          override_pr: ${{ github.event.workflow_run.pull_requests[0].number }}
           token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: false